21761010

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5623}}^1$

素因数の和:5679

約数の個数: 48

約数和(自身を含む): 57904704

約数和(自身を除く): 36143694

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 86, 90, 129, 215, 258, 387, 430, 645, 774, 1290, 1935, 3870, 5623, 11246, 16869, 28115, 33738, 50607, 56230, 84345, 101214, 168690, 241789, 253035, 483578, 506070, 725367, 1208945, 1450734, 2176101, 2417890, 3626835, 4352202, 7253670, 10880505, 21761010]

約数ペア:

[(1, 21761010), (2, 10880505), (3, 7253670), (5, 4352202), (6, 3626835), (9, 2417890), (10, 2176101), (15, 1450734), (18, 1208945), (30, 725367), (43, 506070), (45, 483578), (86, 253035), (90, 241789), (129, 168690), (215, 101214), (258, 84345), (387, 56230), (430, 50607), (645, 33738), (774, 28115), (1290, 16869), (1935, 11246), (3870, 5623)]