21710894

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1\times {\mathrm{977}}^1$

素因数の和:1291

約数の個数: 16

約数和(自身を含む): 33518016

約数和(自身を除く): 11807122

約数列:

[1, 2, 41, 82, 271, 542, 977, 1954, 11111, 22222, 40057, 80114, 264767, 529534, 10855447, 21710894]

約数ペア:

[(1, 21710894), (2, 10855447), (41, 529534), (82, 264767), (271, 80114), (542, 40057), (977, 22222), (1954, 11111)]