21986788

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{1093}}^1$

素因数の和:1251

約数の個数: 24

約数和(自身を含む): 39699072

約数和(自身を除く): 17712284

約数列:

[1, 2, 4, 47, 94, 107, 188, 214, 428, 1093, 2186, 4372, 5029, 10058, 20116, 51371, 102742, 116951, 205484, 233902, 467804, 5496697, 10993394, 21986788]

約数ペア:

[(1, 21986788), (2, 10993394), (4, 5496697), (47, 467804), (94, 233902), (107, 205484), (188, 116951), (214, 102742), (428, 51371), (1093, 20116), (2186, 10058), (4372, 5029)]