21232701

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{6359}}^1$

素因数の和:6425

約数の個数: 24

約数和(自身を含む): 35717760

約数和(自身を除く): 14485059

約数列:

[1, 3, 7, 9, 21, 53, 63, 159, 371, 477, 1113, 3339, 6359, 19077, 44513, 57231, 133539, 337027, 400617, 1011081, 2359189, 3033243, 7077567, 21232701]

約数ペア:

[(1, 21232701), (3, 7077567), (7, 3033243), (9, 2359189), (21, 1011081), (53, 400617), (63, 337027), (159, 133539), (371, 57231), (477, 44513), (1113, 19077), (3339, 6359)]