21320556

素因数分解:

$2^2\times 3^1\times {\mathrm{167}}^1\times {\mathrm{10639}}^1$

素因数の和:10813

約数の個数: 24

約数和(自身を含む): 50050560

約数和(自身を除く): 28730004

約数列:

[1, 2, 3, 4, 6, 12, 167, 334, 501, 668, 1002, 2004, 10639, 21278, 31917, 42556, 63834, 127668, 1776713, 3553426, 5330139, 7106852, 10660278, 21320556]

約数ペア:

[(1, 21320556), (2, 10660278), (3, 7106852), (4, 5330139), (6, 3553426), (12, 1776713), (167, 127668), (334, 63834), (501, 42556), (668, 31917), (1002, 21278), (2004, 10639)]