21916760

素因数分解:

$2^3\times 5^1\times {\mathrm{179}}^1\times {\mathrm{3061}}^1$

素因数の和:3251

約数の個数: 32

約数和(自身を含む): 49604400

約数和(自身を除く): 27687640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 179, 358, 716, 895, 1432, 1790, 3061, 3580, 6122, 7160, 12244, 15305, 24488, 30610, 61220, 122440, 547919, 1095838, 2191676, 2739595, 4383352, 5479190, 10958380, 21916760]

約数ペア:

[(1, 21916760), (2, 10958380), (4, 5479190), (5, 4383352), (8, 2739595), (10, 2191676), (20, 1095838), (40, 547919), (179, 122440), (358, 61220), (716, 30610), (895, 24488), (1432, 15305), (1790, 12244), (3061, 7160), (3580, 6122)]