22221212

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{4231}}^1$

素因数の和:4349

約数の個数: 24

約数和(自身を含む): 42303072

約数和(自身を除く): 20081860

約数列:

[1, 2, 4, 13, 26, 52, 101, 202, 404, 1313, 2626, 4231, 5252, 8462, 16924, 55003, 110006, 220012, 427331, 854662, 1709324, 5555303, 11110606, 22221212]

約数ペア:

[(1, 22221212), (2, 11110606), (4, 5555303), (13, 1709324), (26, 854662), (52, 427331), (101, 220012), (202, 110006), (404, 55003), (1313, 16924), (2626, 8462), (4231, 5252)]