21922928

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{80599}}^1$

素因数の和:80624

約数の個数: 20

約数和(自身を含む): 44974800

約数和(自身を除く): 23051872

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 80599, 161198, 322396, 644792, 1289584, 1370183, 2740366, 5480732, 10961464, 21922928]

約数ペア:

[(1, 21922928), (2, 10961464), (4, 5480732), (8, 2740366), (16, 1370183), (17, 1289584), (34, 644792), (68, 322396), (136, 161198), (272, 80599)]