21119652

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{11069}}^1$

素因数の和:11132

約数の個数: 36

約数和(自身を含む): 54397980

約数和(自身を除く): 33278328

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 159, 212, 318, 477, 636, 954, 1908, 11069, 22138, 33207, 44276, 66414, 99621, 132828, 199242, 398484, 586657, 1173314, 1759971, 2346628, 3519942, 5279913, 7039884, 10559826, 21119652]

約数ペア:

[(1, 21119652), (2, 10559826), (3, 7039884), (4, 5279913), (6, 3519942), (9, 2346628), (12, 1759971), (18, 1173314), (36, 586657), (53, 398484), (106, 199242), (159, 132828), (212, 99621), (318, 66414), (477, 44276), (636, 33207), (954, 22138), (1908, 11069)]