21888522

素因数分解:

$2^1\times 3^3\times {\mathrm{405343}}^1$

素因数の和:405354

約数の個数: 16

約数和(自身を含む): 48641280

約数和(自身を除く): 26752758

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 405343, 810686, 1216029, 2432058, 3648087, 7296174, 10944261, 21888522]

約数ペア:

[(1, 21888522), (2, 10944261), (3, 7296174), (6, 3648087), (9, 2432058), (18, 1216029), (27, 810686), (54, 405343)]