21068380

素因数分解:

$2^2\times 5^1\times {\mathrm{883}}^1\times {\mathrm{1193}}^1$

素因数の和:2085

約数の個数: 24

約数和(自身を含む): 44330832

約数和(自身を除く): 23262452

約数列:

[1, 2, 4, 5, 10, 20, 883, 1193, 1766, 2386, 3532, 4415, 4772, 5965, 8830, 11930, 17660, 23860, 1053419, 2106838, 4213676, 5267095, 10534190, 21068380]

約数ペア:

[(1, 21068380), (2, 10534190), (4, 5267095), (5, 4213676), (10, 2106838), (20, 1053419), (883, 23860), (1193, 17660), (1766, 11930), (2386, 8830), (3532, 5965), (4415, 4772)]