21100376

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{691}}^1$

素因数の和:1055

約数の個数: 32

約数和(自身を含む): 43346880

約数和(自身を除く): 22246504

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 347, 691, 694, 1382, 1388, 2764, 2776, 3817, 5528, 7601, 7634, 15202, 15268, 30404, 30536, 60808, 239777, 479554, 959108, 1918216, 2637547, 5275094, 10550188, 21100376]

約数ペア:

[(1, 21100376), (2, 10550188), (4, 5275094), (8, 2637547), (11, 1918216), (22, 959108), (44, 479554), (88, 239777), (347, 60808), (691, 30536), (694, 30404), (1382, 15268), (1388, 15202), (2764, 7634), (2776, 7601), (3817, 5528)]