21159633

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{821}}^1$

素因数の和:917

約数の個数: 24

約数和(自身を含む): 31485888

約数和(自身を除く): 10326255

約数列:

[1, 3, 11, 33, 71, 121, 213, 363, 781, 821, 2343, 2463, 8591, 9031, 25773, 27093, 58291, 99341, 174873, 298023, 641201, 1923603, 7053211, 21159633]

約数ペア:

[(1, 21159633), (3, 7053211), (11, 1923603), (33, 641201), (71, 298023), (121, 174873), (213, 99341), (363, 58291), (781, 27093), (821, 25773), (2343, 9031), (2463, 8591)]