21555896

素因数分解:

$2^3\times {\mathrm{179}}^1\times {\mathrm{15053}}^1$

素因数の和:15238

約数の個数: 16

約数和(自身を含む): 40645800

約数和(自身を除く): 19089904

約数列:

[1, 2, 4, 8, 179, 358, 716, 1432, 15053, 30106, 60212, 120424, 2694487, 5388974, 10777948, 21555896]

約数ペア:

[(1, 21555896), (2, 10777948), (4, 5388974), (8, 2694487), (179, 120424), (358, 60212), (716, 30106), (1432, 15053)]