21508733252

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{3209}}^1\times {\mathrm{15373}}^1$

素因数の和:18695

約数の個数: 24

約数和(自身を含む): 37999915800

約数和(自身を除く): 16491182548

約数列:

[1, 2, 4, 109, 218, 436, 3209, 6418, 12836, 15373, 30746, 61492, 349781, 699562, 1399124, 1675657, 3351314, 6702628, 49331957, 98663914, 197327828, 5377183313, 10754366626, 21508733252]

約数ペア:

[(1, 21508733252), (2, 10754366626), (4, 5377183313), (109, 197327828), (218, 98663914), (436, 49331957), (3209, 6702628), (6418, 3351314), (12836, 1675657), (15373, 1399124), (30746, 699562), (61492, 349781)]