21093145

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{1009}}^1$

素因数の和:1164

約数の個数: 16

約数和(自身を含む): 26251920

約数和(自身を除く): 5158775

約数列:

[1, 5, 37, 113, 185, 565, 1009, 4181, 5045, 20905, 37333, 114017, 186665, 570085, 4218629, 21093145]

約数ペア:

[(1, 21093145), (5, 4218629), (37, 570085), (113, 186665), (185, 114017), (565, 37333), (1009, 20905), (4181, 5045)]