21861840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2$

素因数の和:67

約数の個数: 360

約数和(自身を含む): 93127968

約数和(自身を除く): 71266128

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 14, 15, 16, 20, 21, 22, 24, 26, 28, 30, 33, 35, 39, 40, 42, 44, 48, 49, 52, 55, 56, 60, 65, 66, 70, 77, 78, 80, 84, 88, 91, 98, 104, 105, 110, 112, 120, 130, 132, 140, 143, 147, 154, 156, 165, 168, 169, 176, 182, 195, 196, 208, 210, 220, 231, 240, 245, 260, 264, 273, 280, 286, 294, 308, 312, 330, 336, 338, 364, 385, 390, 392, 420, 429, 440, 455, 462, 490, 507, 520, 528, 539, 546, 560, 572, 588, 616, 624, 637, 660, 676, 715, 728, 735, 770, 780, 784, 840, 845, 858, 880, 910, 924, 980, 1001, 1014, 1040, 1078, 1092, 1144, 1155, 1176, 1183, 1232, 1274, 1320, 1352, 1365, 1430, 1456, 1470, 1540, 1560, 1617, 1680, 1690, 1716, 1820, 1848, 1859, 1911, 1960, 2002, 2028, 2145, 2156, 2184, 2288, 2310, 2352, 2366, 2535, 2548, 2640, 2695, 2704, 2730, 2860, 2940, 3003, 3080, 3120, 3185, 3234, 3380, 3432, 3549, 3640, 3696, 3718, 3822, 3920, 4004, 4056, 4290, 4312, 4368, 4620, 4732, 5005, 5070, 5096, 5390, 5460, 5577, 5720, 5880, 5915, 6006, 6160, 6370, 6468, 6760, 6864, 7007, 7098, 7280, 7436, 7644, 8008, 8085, 8112, 8281, 8580, 8624, 9240, 9295, 9464, 9555, 10010, 10140, 10192, 10780, 10920, 11154, 11440, 11760, 11830, 12012, 12740, 12936, 13013, 13520, 14014, 14196, 14872, 15015, 15288, 16016, 16170, 16562, 17160, 17745, 18480, 18590, 18928, 19110, 20020, 20280, 21021, 21560, 21840, 22308, 23660, 24024, 24843, 25480, 25872, 26026, 27885, 28028, 28392, 29744, 30030, 30576, 32340, 33124, 34320, 35035, 35490, 37180, 38220, 39039, 40040, 40560, 41405, 42042, 43120, 44616, 47320, 48048, 49686, 50960, 52052, 55770, 56056, 56784, 60060, 64680, 65065, 66248, 70070, 70980, 74360, 76440, 78078, 80080, 82810, 84084, 89232, 91091, 94640, 99372, 104104, 105105, 111540, 112112, 120120, 124215, 129360, 130130, 132496, 140140, 141960, 148720, 152880, 156156, 165620, 168168, 182182, 195195, 198744, 208208, 210210, 223080, 240240, 248430, 260260, 273273, 280280, 283920, 312312, 331240, 336336, 364364, 390390, 397488, 420420, 446160, 455455, 496860, 520520, 546546, 560560, 624624, 662480, 728728, 780780, 840840, 910910, 993720, 1041040, 1093092, 1366365, 1457456, 1561560, 1681680, 1821820, 1987440, 2186184, 2732730, 3123120, 3643640, 4372368, 5465460, 7287280, 10930920, 21861840]

約数ペア:

[(1, 21861840), (2, 10930920), (3, 7287280), (4, 5465460), (5, 4372368), (6, 3643640), (7, 3123120), (8, 2732730), (10, 2186184), (11, 1987440), (12, 1821820), (13, 1681680), (14, 1561560), (15, 1457456), (16, 1366365), (20, 1093092), (21, 1041040), (22, 993720), (24, 910910), (26, 840840), (28, 780780), (30, 728728), (33, 662480), (35, 624624), (39, 560560), (40, 546546), (42, 520520), (44, 496860), (48, 455455), (49, 446160), (52, 420420), (55, 397488), (56, 390390), (60, 364364), (65, 336336), (66, 331240), (70, 312312), (77, 283920), (78, 280280), (80, 273273), (84, 260260), (88, 248430), (91, 240240), (98, 223080), (104, 210210), (105, 208208), (110, 198744), (112, 195195), (120, 182182), (130, 168168), (132, 165620), (140, 156156), (143, 152880), (147, 148720), (154, 141960), (156, 140140), (165, 132496), (168, 130130), (169, 129360), (176, 124215), (182, 120120), (195, 112112), (196, 111540), (208, 105105), (210, 104104), (220, 99372), (231, 94640), (240, 91091), (245, 89232), (260, 84084), (264, 82810), (273, 80080), (280, 78078), (286, 76440), (294, 74360), (308, 70980), (312, 70070), (330, 66248), (336, 65065), (338, 64680), (364, 60060), (385, 56784), (390, 56056), (392, 55770), (420, 52052), (429, 50960), (440, 49686), (455, 48048), (462, 47320), (490, 44616), (507, 43120), (520, 42042), (528, 41405), (539, 40560), (546, 40040), (560, 39039), (572, 38220), (588, 37180), (616, 35490), (624, 35035), (637, 34320), (660, 33124), (676, 32340), (715, 30576), (728, 30030), (735, 29744), (770, 28392), (780, 28028), (784, 27885), (840, 26026), (845, 25872), (858, 25480), (880, 24843), (910, 24024), (924, 23660), (980, 22308), (1001, 21840), (1014, 21560), (1040, 21021), (1078, 20280), (1092, 20020), (1144, 19110), (1155, 18928), (1176, 18590), (1183, 18480), (1232, 17745), (1274, 17160), (1320, 16562), (1352, 16170), (1365, 16016), (1430, 15288), (1456, 15015), (1470, 14872), (1540, 14196), (1560, 14014), (1617, 13520), (1680, 13013), (1690, 12936), (1716, 12740), (1820, 12012), (1848, 11830), (1859, 11760), (1911, 11440), (1960, 11154), (2002, 10920), (2028, 10780), (2145, 10192), (2156, 10140), (2184, 10010), (2288, 9555), (2310, 9464), (2352, 9295), (2366, 9240), (2535, 8624), (2548, 8580), (2640, 8281), (2695, 8112), (2704, 8085), (2730, 8008), (2860, 7644), (2940, 7436), (3003, 7280), (3080, 7098), (3120, 7007), (3185, 6864), (3234, 6760), (3380, 6468), (3432, 6370), (3549, 6160), (3640, 6006), (3696, 5915), (3718, 5880), (3822, 5720), (3920, 5577), (4004, 5460), (4056, 5390), (4290, 5096), (4312, 5070), (4368, 5005), (4620, 4732)]