21608110

素因数分解:

$2^1\times 5^1\times {\mathrm{641}}^1\times {\mathrm{3371}}^1$

素因数の和:4019

約数の個数: 16

約数和(自身を含む): 38966832

約数和(自身を除く): 17358722

約数列:

[1, 2, 5, 10, 641, 1282, 3205, 3371, 6410, 6742, 16855, 33710, 2160811, 4321622, 10804055, 21608110]

約数ペア:

[(1, 21608110), (2, 10804055), (5, 4321622), (10, 2160811), (641, 33710), (1282, 16855), (3205, 6742), (3371, 6410)]