21925585

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{3947}}^1$

素因数の和:4064

約数の個数: 16

約数和(自身を含む): 28994112

約数和(自身を除く): 7068527

約数列:

[1, 5, 11, 55, 101, 505, 1111, 3947, 5555, 19735, 43417, 217085, 398647, 1993235, 4385117, 21925585]

約数ペア:

[(1, 21925585), (5, 4385117), (11, 1993235), (55, 398647), (101, 217085), (505, 43417), (1111, 19735), (3947, 5555)]