21812869

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{449}}^1$

素因数の和:600

約数の個数: 16

約数和(自身を含む): 24418800

約数和(自身を除く): 2605931

約数列:

[1, 13, 37, 101, 449, 481, 1313, 3737, 5837, 16613, 45349, 48581, 215969, 589537, 1677913, 21812869]

約数ペア:

[(1, 21812869), (13, 1677913), (37, 589537), (101, 215969), (449, 48581), (481, 45349), (1313, 16613), (3737, 5837)]