21843016

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1511}}^1$

素因数の和:1669

約数の個数: 32

約数和(自身を含む): 44452800

約数和(自身を除く): 22609784

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 139, 278, 556, 1112, 1511, 1807, 3022, 3614, 6044, 7228, 12088, 14456, 19643, 39286, 78572, 157144, 210029, 420058, 840116, 1680232, 2730377, 5460754, 10921508, 21843016]

約数ペア:

[(1, 21843016), (2, 10921508), (4, 5460754), (8, 2730377), (13, 1680232), (26, 840116), (52, 420058), (104, 210029), (139, 157144), (278, 78572), (556, 39286), (1112, 19643), (1511, 14456), (1807, 12088), (3022, 7228), (3614, 6044)]