21886220

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{16333}}^1$

素因数の和:16409

約数の個数: 24

約数和(自身を含む): 46649904

約数和(自身を除く): 24763684

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 16333, 32666, 65332, 81665, 163330, 326660, 1094311, 2188622, 4377244, 5471555, 10943110, 21886220]

約数ペア:

[(1, 21886220), (2, 10943110), (4, 5471555), (5, 4377244), (10, 2188622), (20, 1094311), (67, 326660), (134, 163330), (268, 81665), (335, 65332), (670, 32666), (1340, 16333)]