21903935

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{2411}}^1$

素因数の和:2518

約数の個数: 16

約数和(自身を含む): 27786240

約数和(自身を除く): 5882305

約数列:

[1, 5, 23, 79, 115, 395, 1817, 2411, 9085, 12055, 55453, 190469, 277265, 952345, 4380787, 21903935]

約数ペア:

[(1, 21903935), (5, 4380787), (23, 952345), (79, 277265), (115, 190469), (395, 55453), (1817, 12055), (2411, 9085)]