21121030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{5693}}^1$

素因数の和:5760

約数の個数: 32

約数和(自身を含む): 44276544

約数和(自身を除く): 23155514

約数列:

[1, 2, 5, 7, 10, 14, 35, 53, 70, 106, 265, 371, 530, 742, 1855, 3710, 5693, 11386, 28465, 39851, 56930, 79702, 199255, 301729, 398510, 603458, 1508645, 2112103, 3017290, 4224206, 10560515, 21121030]

約数ペア:

[(1, 21121030), (2, 10560515), (5, 4224206), (7, 3017290), (10, 2112103), (14, 1508645), (35, 603458), (53, 398510), (70, 301729), (106, 199255), (265, 79702), (371, 56930), (530, 39851), (742, 28465), (1855, 11386), (3710, 5693)]