21980466

素因数分解:

$2^1\times 3^2\times {\mathrm{151}}^1\times {\mathrm{8087}}^1$

素因数の和:8246

約数の個数: 24

約数和(自身を含む): 47945664

約数和(自身を除く): 25965198

約数列:

[1, 2, 3, 6, 9, 18, 151, 302, 453, 906, 1359, 2718, 8087, 16174, 24261, 48522, 72783, 145566, 1221137, 2442274, 3663411, 7326822, 10990233, 21980466]

約数ペア:

[(1, 21980466), (2, 10990233), (3, 7326822), (6, 3663411), (9, 2442274), (18, 1221137), (151, 145566), (302, 72783), (453, 48522), (906, 24261), (1359, 16174), (2718, 8087)]