21275124

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{136379}}^1$

素因数の和:136399

約数の個数: 24

約数和(自身を含む): 53460960

約数和(自身を除く): 32185836

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 136379, 272758, 409137, 545516, 818274, 1636548, 1772927, 3545854, 5318781, 7091708, 10637562, 21275124]

約数ペア:

[(1, 21275124), (2, 10637562), (3, 7091708), (4, 5318781), (6, 3545854), (12, 1772927), (13, 1636548), (26, 818274), (39, 545516), (52, 409137), (78, 272758), (156, 136379)]