21961232

素因数分解:

$2^4\times {\mathrm{239}}^1\times {\mathrm{5743}}^1$

素因数の和:5990

約数の個数: 20

約数和(自身を含む): 42735360

約数和(自身を除く): 20774128

約数列:

[1, 2, 4, 8, 16, 239, 478, 956, 1912, 3824, 5743, 11486, 22972, 45944, 91888, 1372577, 2745154, 5490308, 10980616, 21961232]

約数ペア:

[(1, 21961232), (2, 10980616), (4, 5490308), (8, 2745154), (16, 1372577), (239, 91888), (478, 45944), (956, 22972), (1912, 11486), (3824, 5743)]