21781992

素因数分解:

$2^3\times 3^1\times {\mathrm{907583}}^1$

素因数の和:907592

約数の個数: 16

約数和(自身を含む): 54455040

約数和(自身を除く): 32673048

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 907583, 1815166, 2722749, 3630332, 5445498, 7260664, 10890996, 21781992]

約数ペア:

[(1, 21781992), (2, 10890996), (3, 7260664), (4, 5445498), (6, 3630332), (8, 2722749), (12, 1815166), (24, 907583)]