21893706

素因数分解:

$2^1\times 3^3\times {\mathrm{405439}}^1$

素因数の和:405450

約数の個数: 16

約数和(自身を含む): 48652800

約数和(自身を除く): 26759094

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 405439, 810878, 1216317, 2432634, 3648951, 7297902, 10946853, 21893706]

約数ペア:

[(1, 21893706), (2, 10946853), (3, 7297902), (6, 3648951), (9, 2432634), (18, 1216317), (27, 810878), (54, 405439)]