21436188

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{41543}}^1$

素因数の和:41593

約数の個数: 24

約数和(自身を含む): 51182208

約数和(自身を除く): 29746020

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 41543, 83086, 124629, 166172, 249258, 498516, 1786349, 3572698, 5359047, 7145396, 10718094, 21436188]

約数ペア:

[(1, 21436188), (2, 10718094), (3, 7145396), (4, 5359047), (6, 3572698), (12, 1786349), (43, 498516), (86, 249258), (129, 166172), (172, 124629), (258, 83086), (516, 41543)]