21818316

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{139861}}^1$

素因数の和:139881

約数の個数: 24

約数和(自身を含む): 54825904

約数和(自身を除く): 33007588

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 139861, 279722, 419583, 559444, 839166, 1678332, 1818193, 3636386, 5454579, 7272772, 10909158, 21818316]

約数ペア:

[(1, 21818316), (2, 10909158), (3, 7272772), (4, 5454579), (6, 3636386), (12, 1818193), (13, 1678332), (26, 839166), (39, 559444), (52, 419583), (78, 279722), (156, 139861)]