21309722

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{719}}^1$

素因数の和:830

約数の個数: 32

約数和(自身を含む): 38361600

約数和(自身を除く): 17051878

約数列:

[1, 2, 7, 14, 29, 58, 73, 146, 203, 406, 511, 719, 1022, 1438, 2117, 4234, 5033, 10066, 14819, 20851, 29638, 41702, 52487, 104974, 145957, 291914, 367409, 734818, 1522123, 3044246, 10654861, 21309722]

約数ペア:

[(1, 21309722), (2, 10654861), (7, 3044246), (14, 1522123), (29, 734818), (58, 367409), (73, 291914), (146, 145957), (203, 104974), (406, 52487), (511, 41702), (719, 29638), (1022, 20851), (1438, 14819), (2117, 10066), (4234, 5033)]