21870294580

素因数分解:

$2^2\times 5^1\times {\mathrm{32411}}^1\times {\mathrm{33739}}^1$

素因数の和:66159

約数の個数: 24

約数和(自身を含む): 45930396960

約数和(自身を除く): 24060102380

約数列:

[1, 2, 4, 5, 10, 20, 32411, 33739, 64822, 67478, 129644, 134956, 162055, 168695, 324110, 337390, 648220, 674780, 1093514729, 2187029458, 4374058916, 5467573645, 10935147290, 21870294580]

約数ペア:

[(1, 21870294580), (2, 10935147290), (4, 5467573645), (5, 4374058916), (10, 2187029458), (20, 1093514729), (32411, 674780), (33739, 648220), (64822, 337390), (67478, 324110), (129644, 168695), (134956, 162055)]