21442655

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{4519}}^1$

素因数の和:4610

約数の個数: 16

約数和(自身を含む): 28096320

約数和(自身を除く): 6653665

約数列:

[1, 5, 13, 65, 73, 365, 949, 4519, 4745, 22595, 58747, 293735, 329887, 1649435, 4288531, 21442655]

約数ペア:

[(1, 21442655), (5, 4288531), (13, 1649435), (65, 329887), (73, 293735), (365, 58747), (949, 22595), (4519, 4745)]