21613465

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{569}}^1$

素因数の和:752

約数の個数: 16

約数和(自身を含む): 26593920

約数和(自身を除く): 4980455

約数列:

[1, 5, 71, 107, 355, 535, 569, 2845, 7597, 37985, 40399, 60883, 201995, 304415, 4322693, 21613465]

約数ペア:

[(1, 21613465), (5, 4322693), (71, 304415), (107, 201995), (355, 60883), (535, 40399), (569, 37985), (2845, 7597)]