21221606

素因数分解:

$2^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{2609}}^1$

素因数の和:2708

約数の個数: 24

約数和(自身を含む): 37490040

約数和(自身を除く): 16268434

約数列:

[1, 2, 7, 14, 49, 83, 98, 166, 581, 1162, 2609, 4067, 5218, 8134, 18263, 36526, 127841, 216547, 255682, 433094, 1515829, 3031658, 10610803, 21221606]

約数ペア:

[(1, 21221606), (2, 10610803), (7, 3031658), (14, 1515829), (49, 433094), (83, 255682), (98, 216547), (166, 127841), (581, 36526), (1162, 18263), (2609, 8134), (4067, 5218)]