21913590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{23563}}^1$

素因数の和:23604

約数の個数: 32

約数和(自身を含む): 54291456

約数和(自身を除く): 32377866

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 930, 23563, 47126, 70689, 117815, 141378, 235630, 353445, 706890, 730453, 1460906, 2191359, 3652265, 4382718, 7304530, 10956795, 21913590]

約数ペア:

[(1, 21913590), (2, 10956795), (3, 7304530), (5, 4382718), (6, 3652265), (10, 2191359), (15, 1460906), (30, 730453), (31, 706890), (62, 353445), (93, 235630), (155, 141378), (186, 117815), (310, 70689), (465, 47126), (930, 23563)]