21902435

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{599}}^1$

素因数の和:778

約数の個数: 16

約数和(自身を含む): 26956800

約数和(自身を除く): 5054365

約数列:

[1, 5, 71, 103, 355, 515, 599, 2995, 7313, 36565, 42529, 61697, 212645, 308485, 4380487, 21902435]

約数ペア:

[(1, 21902435), (5, 4380487), (71, 308485), (103, 212645), (355, 61697), (515, 42529), (599, 36565), (2995, 7313)]