21269508

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{136343}}^1$

素因数の和:136363

約数の個数: 24

約数和(自身を含む): 53446848

約数和(自身を除く): 32177340

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 136343, 272686, 409029, 545372, 818058, 1636116, 1772459, 3544918, 5317377, 7089836, 10634754, 21269508]

約数ペア:

[(1, 21269508), (2, 10634754), (3, 7089836), (4, 5317377), (6, 3544918), (12, 1772459), (13, 1636116), (26, 818058), (39, 545372), (52, 409029), (78, 272686), (156, 136343)]