21028562

素因数分解:

$2^1\times {\mathrm{151}}^1\times {\mathrm{179}}^1\times {\mathrm{389}}^1$

素因数の和:721

約数の個数: 16

約数和(自身を含む): 32011200

約数和(自身を除く): 10982638

約数列:

[1, 2, 151, 179, 302, 358, 389, 778, 27029, 54058, 58739, 69631, 117478, 139262, 10514281, 21028562]

約数ペア:

[(1, 21028562), (2, 10514281), (151, 139262), (179, 117478), (302, 69631), (358, 58739), (389, 54058), (778, 27029)]