21758910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{5711}}^1$

素因数の和:5848

約数の個数: 32

約数和(自身を含む): 52641792

約数和(自身を除く): 30882882

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 127, 254, 381, 635, 762, 1270, 1905, 3810, 5711, 11422, 17133, 28555, 34266, 57110, 85665, 171330, 725297, 1450594, 2175891, 3626485, 4351782, 7252970, 10879455, 21758910]

約数ペア:

[(1, 21758910), (2, 10879455), (3, 7252970), (5, 4351782), (6, 3626485), (10, 2175891), (15, 1450594), (30, 725297), (127, 171330), (254, 85665), (381, 57110), (635, 34266), (762, 28555), (1270, 17133), (1905, 11422), (3810, 5711)]