21064002952

素因数分解:

$2^3\times {\mathrm{1223}}^1\times {\mathrm{2152903}}^1$

素因数の和:2154132

約数の個数: 16

約数和(自身を含む): 39527317440

約数和(自身を除く): 18463314488

約数列:

[1, 2, 4, 8, 1223, 2446, 4892, 9784, 2152903, 4305806, 8611612, 17223224, 2633000369, 5266000738, 10532001476, 21064002952]

約数ペア:

[(1, 21064002952), (2, 10532001476), (4, 5266000738), (8, 2633000369), (1223, 17223224), (2446, 8611612), (4892, 4305806), (9784, 2152903)]