21876545

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{2663}}^1$

素因数の和:2752

約数の個数: 16

約数和(自身を含む): 27620352

約数和(自身を除く): 5743807

約数列:

[1, 5, 31, 53, 155, 265, 1643, 2663, 8215, 13315, 82553, 141139, 412765, 705695, 4375309, 21876545]

約数ペア:

[(1, 21876545), (5, 4375309), (31, 705695), (53, 412765), (155, 141139), (265, 82553), (1643, 13315), (2663, 8215)]