21315888

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13457}}^1$

素因数の和:13482

約数の個数: 60

約数和(自身を含む): 65082888

約数和(自身を除く): 43767000

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 44, 48, 66, 72, 88, 99, 132, 144, 176, 198, 264, 396, 528, 792, 1584, 13457, 26914, 40371, 53828, 80742, 107656, 121113, 148027, 161484, 215312, 242226, 296054, 322968, 444081, 484452, 592108, 645936, 888162, 968904, 1184216, 1332243, 1776324, 1937808, 2368432, 2664486, 3552648, 5328972, 7105296, 10657944, 21315888]

約数ペア:

[(1, 21315888), (2, 10657944), (3, 7105296), (4, 5328972), (6, 3552648), (8, 2664486), (9, 2368432), (11, 1937808), (12, 1776324), (16, 1332243), (18, 1184216), (22, 968904), (24, 888162), (33, 645936), (36, 592108), (44, 484452), (48, 444081), (66, 322968), (72, 296054), (88, 242226), (99, 215312), (132, 161484), (144, 148027), (176, 121113), (198, 107656), (264, 80742), (396, 53828), (528, 40371), (792, 26914), (1584, 13457)]