21455468

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{229}}^1\times {\mathrm{397}}^1$

素因数の和:689

約数の個数: 24

約数和(自身を含む): 38446800

約数和(自身を除く): 16991332

約数列:

[1, 2, 4, 59, 118, 229, 236, 397, 458, 794, 916, 1588, 13511, 23423, 27022, 46846, 54044, 90913, 93692, 181826, 363652, 5363867, 10727734, 21455468]

約数ペア:

[(1, 21455468), (2, 10727734), (4, 5363867), (59, 363652), (118, 181826), (229, 93692), (236, 90913), (397, 54044), (458, 46846), (794, 27022), (916, 23423), (1588, 13511)]