21052624

素因数分解:

$2^4\times {\mathrm{263}}^1\times {\mathrm{5003}}^1$

素因数の和:5274

約数の個数: 20

約数和(自身を含む): 40952736

約数和(自身を除く): 19900112

約数列:

[1, 2, 4, 8, 16, 263, 526, 1052, 2104, 4208, 5003, 10006, 20012, 40024, 80048, 1315789, 2631578, 5263156, 10526312, 21052624]

約数ペア:

[(1, 21052624), (2, 10526312), (4, 5263156), (8, 2631578), (16, 1315789), (263, 80048), (526, 40024), (1052, 20012), (2104, 10006), (4208, 5003)]