21279962

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{50909}}^1$

素因数の和:50941

約数の個数: 16

約数和(自身を含む): 36655200

約数和(自身を除く): 15375238

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 50909, 101818, 559999, 967271, 1119998, 1934542, 10639981, 21279962]

約数ペア:

[(1, 21279962), (2, 10639981), (11, 1934542), (19, 1119998), (22, 967271), (38, 559999), (209, 101818), (418, 50909)]