21211234

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{2237}}^1$

素因数の和:2681

約数の個数: 16

約数和(自身を含む): 34805376

約数和(自身を除く): 13594142

約数列:

[1, 2, 11, 22, 431, 862, 2237, 4474, 4741, 9482, 24607, 49214, 964147, 1928294, 10605617, 21211234]

約数ペア:

[(1, 21211234), (2, 10605617), (11, 1928294), (22, 964147), (431, 49214), (862, 24607), (2237, 9482), (4474, 4741)]