21412568

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{86341}}^1$

素因数の和:86378

約数の個数: 16

約数和(自身を含む): 41444160

約数和(自身を除く): 20031592

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 86341, 172682, 345364, 690728, 2676571, 5353142, 10706284, 21412568]

約数ペア:

[(1, 21412568), (2, 10706284), (4, 5353142), (8, 2676571), (31, 690728), (62, 345364), (124, 172682), (248, 86341)]