21569706

素因数分解:

$2^1\times 3^3\times {\mathrm{399439}}^1$

素因数の和:399450

約数の個数: 16

約数和(自身を含む): 47932800

約数和(自身を除く): 26363094

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 399439, 798878, 1198317, 2396634, 3594951, 7189902, 10784853, 21569706]

約数ペア:

[(1, 21569706), (2, 10784853), (3, 7189902), (6, 3594951), (9, 2396634), (18, 1198317), (27, 798878), (54, 399439)]