21851122

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{281}}^1\times {\mathrm{659}}^1$

素因数の和:1001

約数の個数: 16

約数和(自身を含む): 33501600

約数和(自身を除く): 11650478

約数列:

[1, 2, 59, 118, 281, 562, 659, 1318, 16579, 33158, 38881, 77762, 185179, 370358, 10925561, 21851122]

約数ペア:

[(1, 21851122), (2, 10925561), (59, 370358), (118, 185179), (281, 77762), (562, 38881), (659, 33158), (1318, 16579)]