21583991

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{1013}}^1$

素因数の和:1186

約数の個数: 16

約数和(自身を含む): 25552800

約数和(自身を除く): 3968809

約数列:

[1, 11, 13, 143, 149, 1013, 1639, 1937, 11143, 13169, 21307, 144859, 150937, 1660307, 1962181, 21583991]

約数ペア:

[(1, 21583991), (11, 1962181), (13, 1660307), (143, 150937), (149, 144859), (1013, 21307), (1639, 13169), (1937, 11143)]