21977010

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{281}}^1$

素因数の和:384

約数の個数: 96

約数和(自身を含む): 63348480

約数和(自身を除く): 41371470

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 79, 90, 99, 110, 158, 165, 198, 237, 281, 330, 395, 474, 495, 562, 711, 790, 843, 869, 990, 1185, 1405, 1422, 1686, 1738, 2370, 2529, 2607, 2810, 3091, 3555, 4215, 4345, 5058, 5214, 6182, 7110, 7821, 8430, 8690, 9273, 12645, 13035, 15455, 15642, 18546, 22199, 25290, 26070, 27819, 30910, 39105, 44398, 46365, 55638, 66597, 78210, 92730, 110995, 133194, 139095, 199791, 221990, 244189, 278190, 332985, 399582, 488378, 665970, 732567, 998955, 1220945, 1465134, 1997910, 2197701, 2441890, 3662835, 4395402, 7325670, 10988505, 21977010]

約数ペア:

[(1, 21977010), (2, 10988505), (3, 7325670), (5, 4395402), (6, 3662835), (9, 2441890), (10, 2197701), (11, 1997910), (15, 1465134), (18, 1220945), (22, 998955), (30, 732567), (33, 665970), (45, 488378), (55, 399582), (66, 332985), (79, 278190), (90, 244189), (99, 221990), (110, 199791), (158, 139095), (165, 133194), (198, 110995), (237, 92730), (281, 78210), (330, 66597), (395, 55638), (474, 46365), (495, 44398), (562, 39105), (711, 30910), (790, 27819), (843, 26070), (869, 25290), (990, 22199), (1185, 18546), (1405, 15642), (1422, 15455), (1686, 13035), (1738, 12645), (2370, 9273), (2529, 8690), (2607, 8430), (2810, 7821), (3091, 7110), (3555, 6182), (4215, 5214), (4345, 5058)]