21462826

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139369}}^1$

素因数の和:139389

約数の個数: 16

約数和(自身を含む): 40138560

約数和(自身を除く): 18675734

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 139369, 278738, 975583, 1533059, 1951166, 3066118, 10731413, 21462826]

約数ペア:

[(1, 21462826), (2, 10731413), (7, 3066118), (11, 1951166), (14, 1533059), (22, 975583), (77, 278738), (154, 139369)]