21408176

素因数分解:

$2^4\times {\mathrm{151}}^1\times {\mathrm{8861}}^1$

素因数の和:9020

約数の個数: 20

約数和(自身を含む): 41757744

約数和(自身を除く): 20349568

約数列:

[1, 2, 4, 8, 16, 151, 302, 604, 1208, 2416, 8861, 17722, 35444, 70888, 141776, 1338011, 2676022, 5352044, 10704088, 21408176]

約数ペア:

[(1, 21408176), (2, 10704088), (4, 5352044), (8, 2676022), (16, 1338011), (151, 141776), (302, 70888), (604, 35444), (1208, 17722), (2416, 8861)]