21753978

素因数分解:

$2^1\times 3^1\times {\mathrm{353}}^1\times {\mathrm{10271}}^1$

素因数の和:10629

約数の個数: 16

約数和(自身を含む): 43635456

約数和(自身を除く): 21881478

約数列:

[1, 2, 3, 6, 353, 706, 1059, 2118, 10271, 20542, 30813, 61626, 3625663, 7251326, 10876989, 21753978]

約数ペア:

[(1, 21753978), (2, 10876989), (3, 7251326), (6, 3625663), (353, 61626), (706, 30813), (1059, 20542), (2118, 10271)]