21539160

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:150

約数の個数: 192

約数和(自身を含む): 76377600

約数和(自身を除く): 54838440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 47, 57, 60, 67, 72, 76, 90, 94, 95, 114, 120, 134, 141, 152, 171, 180, 188, 190, 201, 228, 235, 268, 282, 285, 335, 342, 360, 376, 380, 402, 423, 456, 470, 536, 564, 570, 603, 670, 684, 705, 760, 804, 846, 855, 893, 940, 1005, 1128, 1140, 1206, 1273, 1340, 1368, 1410, 1608, 1692, 1710, 1786, 1880, 2010, 2115, 2280, 2412, 2546, 2679, 2680, 2820, 3015, 3149, 3384, 3420, 3572, 3819, 4020, 4230, 4465, 4824, 5092, 5358, 5640, 6030, 6298, 6365, 6840, 7144, 7638, 8037, 8040, 8460, 8930, 9447, 10184, 10716, 11457, 12060, 12596, 12730, 13395, 15276, 15745, 16074, 16920, 17860, 18894, 19095, 21432, 22914, 24120, 25192, 25460, 26790, 28341, 30552, 31490, 32148, 35720, 37788, 38190, 40185, 45828, 47235, 50920, 53580, 56682, 57285, 59831, 62980, 64296, 75576, 76380, 80370, 91656, 94470, 107160, 113364, 114570, 119662, 125960, 141705, 152760, 160740, 179493, 188940, 226728, 229140, 239324, 283410, 299155, 321480, 358986, 377880, 458280, 478648, 538479, 566820, 598310, 717972, 897465, 1076958, 1133640, 1196620, 1435944, 1794930, 2153916, 2393240, 2692395, 3589860, 4307832, 5384790, 7179720, 10769580, 21539160]

約数ペア:

[(1, 21539160), (2, 10769580), (3, 7179720), (4, 5384790), (5, 4307832), (6, 3589860), (8, 2692395), (9, 2393240), (10, 2153916), (12, 1794930), (15, 1435944), (18, 1196620), (19, 1133640), (20, 1076958), (24, 897465), (30, 717972), (36, 598310), (38, 566820), (40, 538479), (45, 478648), (47, 458280), (57, 377880), (60, 358986), (67, 321480), (72, 299155), (76, 283410), (90, 239324), (94, 229140), (95, 226728), (114, 188940), (120, 179493), (134, 160740), (141, 152760), (152, 141705), (171, 125960), (180, 119662), (188, 114570), (190, 113364), (201, 107160), (228, 94470), (235, 91656), (268, 80370), (282, 76380), (285, 75576), (335, 64296), (342, 62980), (360, 59831), (376, 57285), (380, 56682), (402, 53580), (423, 50920), (456, 47235), (470, 45828), (536, 40185), (564, 38190), (570, 37788), (603, 35720), (670, 32148), (684, 31490), (705, 30552), (760, 28341), (804, 26790), (846, 25460), (855, 25192), (893, 24120), (940, 22914), (1005, 21432), (1128, 19095), (1140, 18894), (1206, 17860), (1273, 16920), (1340, 16074), (1368, 15745), (1410, 15276), (1608, 13395), (1692, 12730), (1710, 12596), (1786, 12060), (1880, 11457), (2010, 10716), (2115, 10184), (2280, 9447), (2412, 8930), (2546, 8460), (2679, 8040), (2680, 8037), (2820, 7638), (3015, 7144), (3149, 6840), (3384, 6365), (3420, 6298), (3572, 6030), (3819, 5640), (4020, 5358), (4230, 5092), (4465, 4824)]