21369986

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{57139}}^1$

素因数の和:57169

約数の個数: 16

約数和(自身を含む): 37026720

約数和(自身を除く): 15656734

約数列:

[1, 2, 11, 17, 22, 34, 187, 374, 57139, 114278, 628529, 971363, 1257058, 1942726, 10684993, 21369986]

約数ペア:

[(1, 21369986), (2, 10684993), (11, 1942726), (17, 1257058), (22, 971363), (34, 628529), (187, 114278), (374, 57139)]