21091694

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{5167}}^1$

素因数の和:5339

約数の個数: 16

約数和(自身を含む): 34294848

約数和(自身を除く): 13203154

約数列:

[1, 2, 13, 26, 157, 314, 2041, 4082, 5167, 10334, 67171, 134342, 811219, 1622438, 10545847, 21091694]

約数ペア:

[(1, 21091694), (2, 10545847), (13, 1622438), (26, 811219), (157, 134342), (314, 67171), (2041, 10334), (4082, 5167)]