21921254

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{2081}}^1$

素因数の和:2335

約数の個数: 16

約数和(自身を含む): 34477920

約数和(自身を除く): 12556666

約数列:

[1, 2, 23, 46, 229, 458, 2081, 4162, 5267, 10534, 47863, 95726, 476549, 953098, 10960627, 21921254]

約数ペア:

[(1, 21921254), (2, 10960627), (23, 953098), (46, 476549), (229, 95726), (458, 47863), (2081, 10534), (4162, 5267)]