21104866

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{5431}}^1$

素因数の和:5529

約数の個数: 16

約数和(自身を含む): 33243840

約数和(自身を除く): 12138974

約数列:

[1, 2, 29, 58, 67, 134, 1943, 3886, 5431, 10862, 157499, 314998, 363877, 727754, 10552433, 21104866]

約数ペア:

[(1, 21104866), (2, 10552433), (29, 727754), (58, 363877), (67, 314998), (134, 157499), (1943, 10862), (3886, 5431)]