21390962

素因数分解:

$2^1\times {\mathrm{151}}^1\times {\mathrm{193}}^1\times {\mathrm{367}}^1$

素因数の和:713

約数の個数: 16

約数和(自身を含む): 32554752

約数和(自身を除く): 11163790

約数列:

[1, 2, 151, 193, 302, 367, 386, 734, 29143, 55417, 58286, 70831, 110834, 141662, 10695481, 21390962]

約数ペア:

[(1, 21390962), (2, 10695481), (151, 141662), (193, 110834), (302, 70831), (367, 58286), (386, 55417), (734, 29143)]