21308036

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{757}}^1$

素因数の和:1019

約数の個数: 24

約数和(自身を含む): 38712576

約数和(自身を除く): 17404540

約数列:

[1, 2, 4, 31, 62, 124, 227, 454, 757, 908, 1514, 3028, 7037, 14074, 23467, 28148, 46934, 93868, 171839, 343678, 687356, 5327009, 10654018, 21308036]

約数ペア:

[(1, 21308036), (2, 10654018), (4, 5327009), (31, 687356), (62, 343678), (124, 171839), (227, 93868), (454, 46934), (757, 28148), (908, 23467), (1514, 14074), (3028, 7037)]