21844771

素因数分解:

${\mathrm{13}}^3\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:263

約数の個数: 16

約数和(自身を含む): 24199840

約数和(自身を除く): 2355069

約数列:

[1, 13, 61, 163, 169, 793, 2119, 2197, 9943, 10309, 27547, 129259, 134017, 358111, 1680367, 21844771]

約数ペア:

[(1, 21844771), (13, 1680367), (61, 358111), (163, 134017), (169, 129259), (793, 27547), (2119, 10309), (2197, 9943)]