21222165

素因数分解:

$3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{17909}}^1$

素因数の和:17996

約数の個数: 16

約数和(自身を含む): 34387200

約数和(自身を除く): 13165035

約数列:

[1, 3, 5, 15, 79, 237, 395, 1185, 17909, 53727, 89545, 268635, 1414811, 4244433, 7074055, 21222165]

約数ペア:

[(1, 21222165), (3, 7074055), (5, 4244433), (15, 1414811), (79, 268635), (237, 89545), (395, 53727), (1185, 17909)]