21002620

素因数分解:

$2^2\times 5^1\times {\mathrm{233}}^1\times {\mathrm{4507}}^1$

素因数の和:4749

約数の個数: 24

約数和(自身を含む): 44304624

約数和(自身を除く): 23302004

約数列:

[1, 2, 4, 5, 10, 20, 233, 466, 932, 1165, 2330, 4507, 4660, 9014, 18028, 22535, 45070, 90140, 1050131, 2100262, 4200524, 5250655, 10501310, 21002620]

約数ペア:

[(1, 21002620), (2, 10501310), (4, 5250655), (5, 4200524), (10, 2100262), (20, 1050131), (233, 90140), (466, 45070), (932, 22535), (1165, 18028), (2330, 9014), (4507, 4660)]