21719880

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1$

素因数の和:70

約数の個数: 384

約数和(自身を含む): 94867200

約数和(自身を除く): 73147320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 17, 18, 20, 21, 24, 26, 27, 28, 30, 34, 35, 36, 39, 40, 42, 45, 51, 52, 54, 56, 60, 63, 65, 68, 70, 72, 78, 84, 85, 90, 91, 102, 104, 105, 108, 117, 119, 120, 126, 130, 135, 136, 140, 153, 156, 168, 169, 170, 180, 182, 189, 195, 204, 210, 216, 221, 234, 238, 252, 255, 260, 270, 273, 280, 306, 312, 315, 338, 340, 351, 357, 360, 364, 378, 390, 408, 420, 442, 455, 459, 468, 476, 504, 507, 510, 520, 540, 546, 585, 595, 612, 630, 663, 676, 680, 702, 714, 728, 756, 765, 780, 819, 840, 845, 884, 910, 918, 936, 945, 952, 1014, 1020, 1071, 1080, 1092, 1105, 1170, 1183, 1190, 1224, 1260, 1326, 1352, 1365, 1404, 1428, 1512, 1521, 1530, 1547, 1560, 1638, 1690, 1755, 1768, 1785, 1820, 1836, 1890, 1989, 2028, 2040, 2142, 2184, 2210, 2295, 2340, 2366, 2380, 2457, 2520, 2535, 2652, 2730, 2808, 2856, 2873, 3042, 3060, 3094, 3213, 3276, 3315, 3380, 3510, 3549, 3570, 3640, 3672, 3780, 3978, 4056, 4095, 4284, 4420, 4563, 4590, 4641, 4680, 4732, 4760, 4914, 5070, 5304, 5355, 5460, 5746, 5915, 5967, 6084, 6120, 6188, 6426, 6552, 6630, 6760, 7020, 7098, 7140, 7560, 7605, 7735, 7956, 8190, 8568, 8619, 8840, 9126, 9180, 9282, 9464, 9828, 9945, 10140, 10647, 10710, 10920, 11492, 11830, 11934, 12168, 12285, 12376, 12852, 13260, 13923, 14040, 14196, 14280, 14365, 15210, 15470, 15912, 16065, 16380, 17238, 17745, 18252, 18360, 18564, 19656, 19890, 20111, 20280, 21294, 21420, 22815, 22984, 23205, 23660, 23868, 24570, 25704, 25857, 26520, 27846, 28392, 28730, 29835, 30420, 30940, 31941, 32130, 32760, 34476, 35490, 36504, 37128, 39780, 40222, 41769, 42588, 42840, 43095, 45630, 46410, 47320, 47736, 49140, 51714, 53235, 55692, 57460, 59670, 60333, 60840, 61880, 63882, 64260, 68952, 69615, 70980, 77571, 79560, 80444, 83538, 85176, 86190, 91260, 92820, 98280, 100555, 103428, 106470, 111384, 114920, 119340, 120666, 127764, 128520, 129285, 139230, 141960, 155142, 159705, 160888, 167076, 172380, 180999, 182520, 185640, 201110, 206856, 208845, 212940, 238680, 241332, 255528, 258570, 278460, 301665, 310284, 319410, 334152, 344760, 361998, 387855, 402220, 417690, 425880, 482664, 517140, 542997, 556920, 603330, 620568, 638820, 723996, 775710, 804440, 835380, 904995, 1034280, 1085994, 1206660, 1277640, 1447992, 1551420, 1670760, 1809990, 2171988, 2413320, 2714985, 3102840, 3619980, 4343976, 5429970, 7239960, 10859940, 21719880]

約数ペア:

[(1, 21719880), (2, 10859940), (3, 7239960), (4, 5429970), (5, 4343976), (6, 3619980), (7, 3102840), (8, 2714985), (9, 2413320), (10, 2171988), (12, 1809990), (13, 1670760), (14, 1551420), (15, 1447992), (17, 1277640), (18, 1206660), (20, 1085994), (21, 1034280), (24, 904995), (26, 835380), (27, 804440), (28, 775710), (30, 723996), (34, 638820), (35, 620568), (36, 603330), (39, 556920), (40, 542997), (42, 517140), (45, 482664), (51, 425880), (52, 417690), (54, 402220), (56, 387855), (60, 361998), (63, 344760), (65, 334152), (68, 319410), (70, 310284), (72, 301665), (78, 278460), (84, 258570), (85, 255528), (90, 241332), (91, 238680), (102, 212940), (104, 208845), (105, 206856), (108, 201110), (117, 185640), (119, 182520), (120, 180999), (126, 172380), (130, 167076), (135, 160888), (136, 159705), (140, 155142), (153, 141960), (156, 139230), (168, 129285), (169, 128520), (170, 127764), (180, 120666), (182, 119340), (189, 114920), (195, 111384), (204, 106470), (210, 103428), (216, 100555), (221, 98280), (234, 92820), (238, 91260), (252, 86190), (255, 85176), (260, 83538), (270, 80444), (273, 79560), (280, 77571), (306, 70980), (312, 69615), (315, 68952), (338, 64260), (340, 63882), (351, 61880), (357, 60840), (360, 60333), (364, 59670), (378, 57460), (390, 55692), (408, 53235), (420, 51714), (442, 49140), (455, 47736), (459, 47320), (468, 46410), (476, 45630), (504, 43095), (507, 42840), (510, 42588), (520, 41769), (540, 40222), (546, 39780), (585, 37128), (595, 36504), (612, 35490), (630, 34476), (663, 32760), (676, 32130), (680, 31941), (702, 30940), (714, 30420), (728, 29835), (756, 28730), (765, 28392), (780, 27846), (819, 26520), (840, 25857), (845, 25704), (884, 24570), (910, 23868), (918, 23660), (936, 23205), (945, 22984), (952, 22815), (1014, 21420), (1020, 21294), (1071, 20280), (1080, 20111), (1092, 19890), (1105, 19656), (1170, 18564), (1183, 18360), (1190, 18252), (1224, 17745), (1260, 17238), (1326, 16380), (1352, 16065), (1365, 15912), (1404, 15470), (1428, 15210), (1512, 14365), (1521, 14280), (1530, 14196), (1547, 14040), (1560, 13923), (1638, 13260), (1690, 12852), (1755, 12376), (1768, 12285), (1785, 12168), (1820, 11934), (1836, 11830), (1890, 11492), (1989, 10920), (2028, 10710), (2040, 10647), (2142, 10140), (2184, 9945), (2210, 9828), (2295, 9464), (2340, 9282), (2366, 9180), (2380, 9126), (2457, 8840), (2520, 8619), (2535, 8568), (2652, 8190), (2730, 7956), (2808, 7735), (2856, 7605), (2873, 7560), (3042, 7140), (3060, 7098), (3094, 7020), (3213, 6760), (3276, 6630), (3315, 6552), (3380, 6426), (3510, 6188), (3549, 6120), (3570, 6084), (3640, 5967), (3672, 5915), (3780, 5746), (3978, 5460), (4056, 5355), (4095, 5304), (4284, 5070), (4420, 4914), (4563, 4760), (4590, 4732), (4641, 4680)]