21813480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:168

約数の個数: 192

約数和(自身を含む): 78624000

約数和(自身を除く): 56810520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 59, 60, 65, 72, 78, 79, 90, 104, 117, 118, 120, 130, 156, 158, 177, 180, 195, 234, 236, 237, 260, 295, 312, 316, 354, 360, 390, 395, 468, 472, 474, 520, 531, 585, 590, 632, 708, 711, 767, 780, 790, 885, 936, 948, 1027, 1062, 1170, 1180, 1185, 1416, 1422, 1534, 1560, 1580, 1770, 1896, 2054, 2124, 2301, 2340, 2360, 2370, 2655, 2844, 3068, 3081, 3160, 3540, 3555, 3835, 4108, 4248, 4602, 4661, 4680, 4740, 5135, 5310, 5688, 6136, 6162, 6903, 7080, 7110, 7670, 8216, 9204, 9243, 9322, 9480, 10270, 10620, 11505, 12324, 13806, 13983, 14220, 15340, 15405, 18408, 18486, 18644, 20540, 21240, 23010, 23305, 24648, 27612, 27966, 28440, 30680, 30810, 34515, 36972, 37288, 41080, 41949, 46020, 46215, 46610, 55224, 55932, 60593, 61620, 69030, 69915, 73944, 83898, 92040, 92430, 93220, 111864, 121186, 123240, 138060, 139830, 167796, 181779, 184860, 186440, 209745, 242372, 276120, 279660, 302965, 335592, 363558, 369720, 419490, 484744, 545337, 559320, 605930, 727116, 838980, 908895, 1090674, 1211860, 1454232, 1677960, 1817790, 2181348, 2423720, 2726685, 3635580, 4362696, 5453370, 7271160, 10906740, 21813480]

約数ペア:

[(1, 21813480), (2, 10906740), (3, 7271160), (4, 5453370), (5, 4362696), (6, 3635580), (8, 2726685), (9, 2423720), (10, 2181348), (12, 1817790), (13, 1677960), (15, 1454232), (18, 1211860), (20, 1090674), (24, 908895), (26, 838980), (30, 727116), (36, 605930), (39, 559320), (40, 545337), (45, 484744), (52, 419490), (59, 369720), (60, 363558), (65, 335592), (72, 302965), (78, 279660), (79, 276120), (90, 242372), (104, 209745), (117, 186440), (118, 184860), (120, 181779), (130, 167796), (156, 139830), (158, 138060), (177, 123240), (180, 121186), (195, 111864), (234, 93220), (236, 92430), (237, 92040), (260, 83898), (295, 73944), (312, 69915), (316, 69030), (354, 61620), (360, 60593), (390, 55932), (395, 55224), (468, 46610), (472, 46215), (474, 46020), (520, 41949), (531, 41080), (585, 37288), (590, 36972), (632, 34515), (708, 30810), (711, 30680), (767, 28440), (780, 27966), (790, 27612), (885, 24648), (936, 23305), (948, 23010), (1027, 21240), (1062, 20540), (1170, 18644), (1180, 18486), (1185, 18408), (1416, 15405), (1422, 15340), (1534, 14220), (1560, 13983), (1580, 13806), (1770, 12324), (1896, 11505), (2054, 10620), (2124, 10270), (2301, 9480), (2340, 9322), (2360, 9243), (2370, 9204), (2655, 8216), (2844, 7670), (3068, 7110), (3081, 7080), (3160, 6903), (3540, 6162), (3555, 6136), (3835, 5688), (4108, 5310), (4248, 5135), (4602, 4740), (4661, 4680)]