21788897079

素因数分解:

$3^1\times {\mathrm{281}}^1\times {\mathrm{419}}^1\times {\mathrm{61687}}^1$

素因数の和:62390

約数の個数: 16

約数和(自身を含む): 29225306880

約数和(自身を除く): 7436409801

約数列:

[1, 3, 281, 419, 843, 1257, 61687, 117739, 185061, 353217, 17334047, 25846853, 52002141, 77540559, 7262965693, 21788897079]

約数ペア:

[(1, 21788897079), (3, 7262965693), (281, 77540559), (419, 52002141), (843, 25846853), (1257, 17334047), (61687, 353217), (117739, 185061)]