21553060

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{34763}}^1$

素因数の和:34803

約数の個数: 24

約数和(自身を含む): 46722816

約数和(自身を除く): 25169756

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 34763, 69526, 139052, 173815, 347630, 695260, 1077653, 2155306, 4310612, 5388265, 10776530, 21553060]

約数ペア:

[(1, 21553060), (2, 10776530), (4, 5388265), (5, 4310612), (10, 2155306), (20, 1077653), (31, 695260), (62, 347630), (124, 173815), (155, 139052), (310, 69526), (620, 34763)]