21536427

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{751}}^1$

素因数の和:855

約数の個数: 24

約数和(自身を含む): 32005120

約数和(自身を除く): 10468693

約数列:

[1, 3, 11, 33, 79, 121, 237, 363, 751, 869, 2253, 2607, 8261, 9559, 24783, 28677, 59329, 90871, 177987, 272613, 652619, 1957857, 7178809, 21536427]

約数ペア:

[(1, 21536427), (3, 7178809), (11, 1957857), (33, 652619), (79, 272613), (121, 177987), (237, 90871), (363, 59329), (751, 28677), (869, 24783), (2253, 9559), (2607, 8261)]