21272666

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{559807}}^1$

素因数の和:559828

約数の個数: 8

約数和(自身を含む): 33588480

約数和(自身を除く): 12315814

約数列:

[1, 2, 19, 38, 559807, 1119614, 10636333, 21272666]

約数ペア:

[(1, 21272666), (2, 10636333), (19, 1119614), (38, 559807)]