21512722

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{4817}}^1$

素因数の和:4866

約数の個数: 32

約数和(自身を含む): 41627520

約数和(自身を除く): 20114798

約数列:

[1, 2, 7, 11, 14, 22, 29, 58, 77, 154, 203, 319, 406, 638, 2233, 4466, 4817, 9634, 33719, 52987, 67438, 105974, 139693, 279386, 370909, 741818, 977851, 1536623, 1955702, 3073246, 10756361, 21512722]

約数ペア:

[(1, 21512722), (2, 10756361), (7, 3073246), (11, 1955702), (14, 1536623), (22, 977851), (29, 741818), (58, 370909), (77, 279386), (154, 139693), (203, 105974), (319, 67438), (406, 52987), (638, 33719), (2233, 9634), (4466, 4817)]