21032170

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^2\times {\mathrm{337}}^1$

素因数の和:502

約数の個数: 24

約数和(自身を含む): 38456964

約数和(自身を除く): 17424794

約数列:

[1, 2, 5, 10, 79, 158, 337, 395, 674, 790, 1685, 3370, 6241, 12482, 26623, 31205, 53246, 62410, 133115, 266230, 2103217, 4206434, 10516085, 21032170]

約数ペア:

[(1, 21032170), (2, 10516085), (5, 4206434), (10, 2103217), (79, 266230), (158, 133115), (337, 62410), (395, 53246), (674, 31205), (790, 26623), (1685, 12482), (3370, 6241)]