21318576

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{14327}}^1$

素因数の和:14369

約数の個数: 40

約数和(自身を含む): 56853504

約数和(自身を除く): 35534928

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 93, 124, 186, 248, 372, 496, 744, 1488, 14327, 28654, 42981, 57308, 85962, 114616, 171924, 229232, 343848, 444137, 687696, 888274, 1332411, 1776548, 2664822, 3553096, 5329644, 7106192, 10659288, 21318576]

約数ペア:

[(1, 21318576), (2, 10659288), (3, 7106192), (4, 5329644), (6, 3553096), (8, 2664822), (12, 1776548), (16, 1332411), (24, 888274), (31, 687696), (48, 444137), (62, 343848), (93, 229232), (124, 171924), (186, 114616), (248, 85962), (372, 57308), (496, 42981), (744, 28654), (1488, 14327)]