21023067

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{857}}^1$

素因数の和:927

約数の個数: 32

約数和(自身を含む): 32864832

約数和(自身を除く): 11841765

約数列:

[1, 3, 13, 17, 37, 39, 51, 111, 221, 481, 629, 663, 857, 1443, 1887, 2571, 8177, 11141, 14569, 24531, 31709, 33423, 43707, 95127, 189397, 412217, 539053, 568191, 1236651, 1617159, 7007689, 21023067]

約数ペア:

[(1, 21023067), (3, 7007689), (13, 1617159), (17, 1236651), (37, 568191), (39, 539053), (51, 412217), (111, 189397), (221, 95127), (481, 43707), (629, 33423), (663, 31709), (857, 24531), (1443, 14569), (1887, 11141), (2571, 8177)]