21208582

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1\times {\mathrm{971}}^1$

素因数の和:1203

約数の個数: 16

約数和(自身を含む): 32519232

約数和(自身を除く): 11310650

約数列:

[1, 2, 67, 134, 163, 326, 971, 1942, 10921, 21842, 65057, 130114, 158273, 316546, 10604291, 21208582]

約数ペア:

[(1, 21208582), (2, 10604291), (67, 316546), (134, 158273), (163, 130114), (326, 65057), (971, 21842), (1942, 10921)]