21171501

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{3067}}^1$

素因数の和:3145

約数の個数: 24

約数和(自身を含む): 33502560

約数和(自身を除く): 12331059

約数列:

[1, 3, 9, 13, 39, 59, 117, 177, 531, 767, 2301, 3067, 6903, 9201, 27603, 39871, 119613, 180953, 358839, 542859, 1628577, 2352389, 7057167, 21171501]

約数ペア:

[(1, 21171501), (3, 7057167), (9, 2352389), (13, 1628577), (39, 542859), (59, 358839), (117, 180953), (177, 119613), (531, 39871), (767, 27603), (2301, 9201), (3067, 6903)]