21642137

素因数分解:

${\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{1021}}^1$

素因数の和:1120

約数の個数: 16

約数和(自身を含む): 24724224

約数和(自身を除く): 3082087

約数列:

[1, 11, 41, 47, 451, 517, 1021, 1927, 11231, 21197, 41861, 47987, 460471, 527857, 1967467, 21642137]

約数ペア:

[(1, 21642137), (11, 1967467), (41, 527857), (47, 460471), (451, 47987), (517, 41861), (1021, 21197), (1927, 11231)]