21967920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2347}}^1$

素因数の和:2379

約数の個数: 120

約数和(自身を含む): 79484496

約数和(自身を除く): 57516576

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 180, 195, 208, 234, 240, 260, 312, 360, 390, 468, 520, 585, 624, 720, 780, 936, 1040, 1170, 1560, 1872, 2340, 2347, 3120, 4680, 4694, 7041, 9360, 9388, 11735, 14082, 18776, 21123, 23470, 28164, 30511, 35205, 37552, 42246, 46940, 56328, 61022, 70410, 84492, 91533, 93880, 105615, 112656, 122044, 140820, 152555, 168984, 183066, 187760, 211230, 244088, 274599, 281640, 305110, 337968, 366132, 422460, 457665, 488176, 549198, 563280, 610220, 732264, 844920, 915330, 1098396, 1220440, 1372995, 1464528, 1689840, 1830660, 2196792, 2440880, 2745990, 3661320, 4393584, 5491980, 7322640, 10983960, 21967920]

約数ペア:

[(1, 21967920), (2, 10983960), (3, 7322640), (4, 5491980), (5, 4393584), (6, 3661320), (8, 2745990), (9, 2440880), (10, 2196792), (12, 1830660), (13, 1689840), (15, 1464528), (16, 1372995), (18, 1220440), (20, 1098396), (24, 915330), (26, 844920), (30, 732264), (36, 610220), (39, 563280), (40, 549198), (45, 488176), (48, 457665), (52, 422460), (60, 366132), (65, 337968), (72, 305110), (78, 281640), (80, 274599), (90, 244088), (104, 211230), (117, 187760), (120, 183066), (130, 168984), (144, 152555), (156, 140820), (180, 122044), (195, 112656), (208, 105615), (234, 93880), (240, 91533), (260, 84492), (312, 70410), (360, 61022), (390, 56328), (468, 46940), (520, 42246), (585, 37552), (624, 35205), (720, 30511), (780, 28164), (936, 23470), (1040, 21123), (1170, 18776), (1560, 14082), (1872, 11735), (2340, 9388), (2347, 9360), (3120, 7041), (4680, 4694)]