21688994

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{5051}}^1$

素因数の和:5185

約数の個数: 16

約数和(自身を含む): 34555680

約数和(自身を除く): 12866686

約数列:

[1, 2, 19, 38, 113, 226, 2147, 4294, 5051, 10102, 95969, 191938, 570763, 1141526, 10844497, 21688994]

約数ペア:

[(1, 21688994), (2, 10844497), (19, 1141526), (38, 570763), (113, 191938), (226, 95969), (2147, 10102), (4294, 5051)]