21324568

素因数分解:

$2^3\times {\mathrm{277}}^1\times {\mathrm{9623}}^1$

素因数の和:9906

約数の個数: 16

約数和(自身を含む): 40132080

約数和(自身を除く): 18807512

約数列:

[1, 2, 4, 8, 277, 554, 1108, 2216, 9623, 19246, 38492, 76984, 2665571, 5331142, 10662284, 21324568]

約数ペア:

[(1, 21324568), (2, 10662284), (4, 5331142), (8, 2665571), (277, 76984), (554, 38492), (1108, 19246), (2216, 9623)]