21232809

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{1049}}^1$

素因数の和:1241

約数の個数: 24

約数和(自身を含む): 33251400

約数和(自身を除く): 12018591

約数列:

[1, 3, 9, 13, 39, 117, 173, 519, 1049, 1557, 2249, 3147, 6747, 9441, 13637, 20241, 40911, 122733, 181477, 544431, 1633293, 2359201, 7077603, 21232809]

約数ペア:

[(1, 21232809), (3, 7077603), (9, 2359201), (13, 1633293), (39, 544431), (117, 181477), (173, 122733), (519, 40911), (1049, 20241), (1557, 13637), (2249, 9441), (3147, 6747)]