21109197

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{239}}^1\times {\mathrm{499}}^1$

素因数の和:800

約数の個数: 16

約数和(自身を含む): 28800000

約数和(自身を除く): 7690803

約数列:

[1, 3, 59, 177, 239, 499, 717, 1497, 14101, 29441, 42303, 88323, 119261, 357783, 7036399, 21109197]

約数ペア:

[(1, 21109197), (3, 7036399), (59, 357783), (177, 119261), (239, 88323), (499, 42303), (717, 29441), (1497, 14101)]