21750709

素因数分解:

${\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{419}}^1$

素因数の和:540

約数の個数: 16

約数和(自身を含む): 23748480

約数和(自身を除く): 1997771

約数列:

[1, 23, 37, 61, 419, 851, 1403, 2257, 9637, 15503, 25559, 51911, 356569, 587857, 945683, 21750709]

約数ペア:

[(1, 21750709), (23, 945683), (37, 587857), (61, 356569), (419, 51911), (851, 25559), (1403, 15503), (2257, 9637)]