21404886

素因数分解:

$2^1\times 3^1\times {\mathrm{311}}^1\times {\mathrm{11471}}^1$

素因数の和:11787

約数の個数: 16

約数和(自身を含む): 42951168

約数和(自身を除く): 21546282

約数列:

[1, 2, 3, 6, 311, 622, 933, 1866, 11471, 22942, 34413, 68826, 3567481, 7134962, 10702443, 21404886]

約数ペア:

[(1, 21404886), (2, 10702443), (3, 7134962), (6, 3567481), (311, 68826), (622, 34413), (933, 22942), (1866, 11471)]