21757382127

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{1439}}^1\times {\mathrm{129229}}^1$

素因数の和:130687

約数の個数: 24

約数和(自身を含む): 33868598400

約数和(自身を除く): 12111216273

約数列:

[1, 3, 9, 13, 39, 117, 1439, 4317, 12951, 18707, 56121, 129229, 168363, 387687, 1163061, 1679977, 5039931, 15119793, 185960531, 557881593, 1673644779, 2417486903, 7252460709, 21757382127]

約数ペア:

[(1, 21757382127), (3, 7252460709), (9, 2417486903), (13, 1673644779), (39, 557881593), (117, 185960531), (1439, 15119793), (4317, 5039931), (12951, 1679977), (18707, 1163061), (56121, 387687), (129229, 168363)]