21362230

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{52103}}^1$

素因数の和:52151

約数の個数: 16

約数和(自身を含む): 39390624

約数和(自身を除く): 18028394

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 52103, 104206, 260515, 521030, 2136223, 4272446, 10681115, 21362230]

約数ペア:

[(1, 21362230), (2, 10681115), (5, 4272446), (10, 2136223), (41, 521030), (82, 260515), (205, 104206), (410, 52103)]