21563663

素因数分解:

${\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{349}}^1$

素因数の和:538

約数の個数: 16

約数和(自身を含む): 24343200

約数和(自身を除く): 2779537

約数列:

[1, 11, 41, 137, 349, 451, 1507, 3839, 5617, 14309, 47813, 61787, 157399, 525943, 1960333, 21563663]

約数ペア:

[(1, 21563663), (11, 1960333), (41, 525943), (137, 157399), (349, 61787), (451, 47813), (1507, 14309), (3839, 5617)]