16892421

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1439}}^1$

素因数の和:1505

約数の個数: 32

約数和(自身を含む): 28385280

約数和(自身を除く): 11492859

約数列:

[1, 3, 7, 13, 21, 39, 43, 91, 129, 273, 301, 559, 903, 1439, 1677, 3913, 4317, 10073, 11739, 18707, 30219, 56121, 61877, 130949, 185631, 392847, 433139, 804401, 1299417, 2413203, 5630807, 16892421]

約数ペア:

[(1, 16892421), (3, 5630807), (7, 2413203), (13, 1299417), (21, 804401), (39, 433139), (43, 392847), (91, 185631), (129, 130949), (273, 61877), (301, 56121), (559, 30219), (903, 18707), (1439, 11739), (1677, 10073), (3913, 4317)]