21880060

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{26683}}^1$

素因数の和:26733

約数の個数: 24

約数和(自身を含む): 47070576

約数和(自身を除く): 25190516

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 26683, 53366, 106732, 133415, 266830, 533660, 1094003, 2188006, 4376012, 5470015, 10940030, 21880060]

約数ペア:

[(1, 21880060), (2, 10940030), (4, 5470015), (5, 4376012), (10, 2188006), (20, 1094003), (41, 533660), (82, 266830), (164, 133415), (205, 106732), (410, 53366), (820, 26683)]