21938337

素因数分解:

$3^3\times {\mathrm{151}}^1\times {\mathrm{5381}}^1$

素因数の和:5541

約数の個数: 16

約数和(自身を含む): 32722560

約数和(自身を除く): 10784223

約数列:

[1, 3, 9, 27, 151, 453, 1359, 4077, 5381, 16143, 48429, 145287, 812531, 2437593, 7312779, 21938337]

約数ペア:

[(1, 21938337), (3, 7312779), (9, 2437593), (27, 812531), (151, 145287), (453, 48429), (1359, 16143), (4077, 5381)]