21630178

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{313}}^1\times {\mathrm{317}}^1$

素因数の和:741

約数の個数: 16

約数和(自身を含む): 32951160

約数和(自身を除く): 11320982

約数列:

[1, 2, 109, 218, 313, 317, 626, 634, 34117, 34553, 68234, 69106, 99221, 198442, 10815089, 21630178]

約数ペア:

[(1, 21630178), (2, 10815089), (109, 198442), (218, 99221), (313, 69106), (317, 68234), (626, 34553), (634, 34117)]