21991410888

素因数分解:

$2^3\times 3^1\times {\mathrm{916308787}}^1$

素因数の和:916308796

約数の個数: 16

約数和(自身を含む): 54978527280

約数和(自身を除く): 32987116392

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 916308787, 1832617574, 2748926361, 3665235148, 5497852722, 7330470296, 10995705444, 21991410888]

約数ペア:

[(1, 21991410888), (2, 10995705444), (3, 7330470296), (4, 5497852722), (6, 3665235148), (8, 2748926361), (12, 1832617574), (24, 916308787)]