21230576

素因数分解:

$2^4\times {\mathrm{181}}^1\times {\mathrm{7331}}^1$

素因数の和:7520

約数の個数: 20

約数和(自身を含む): 41367144

約数和(自身を除く): 20136568

約数列:

[1, 2, 4, 8, 16, 181, 362, 724, 1448, 2896, 7331, 14662, 29324, 58648, 117296, 1326911, 2653822, 5307644, 10615288, 21230576]

約数ペア:

[(1, 21230576), (2, 10615288), (4, 5307644), (8, 2653822), (16, 1326911), (181, 117296), (362, 58648), (724, 29324), (1448, 14662), (2896, 7331)]