21824556

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{139901}}^1$

素因数の和:139921

約数の個数: 24

約数和(自身を含む): 54841584

約数和(自身を除く): 33017028

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 139901, 279802, 419703, 559604, 839406, 1678812, 1818713, 3637426, 5456139, 7274852, 10912278, 21824556]

約数ペア:

[(1, 21824556), (2, 10912278), (3, 7274852), (4, 5456139), (6, 3637426), (12, 1818713), (13, 1678812), (26, 839406), (39, 559604), (52, 419703), (78, 279802), (156, 139901)]