21830465

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{3251}}^1$

素因数の和:3352

約数の個数: 16

約数和(自身を含む): 28097280

約数和(自身を除く): 6266815

約数列:

[1, 5, 17, 79, 85, 395, 1343, 3251, 6715, 16255, 55267, 256829, 276335, 1284145, 4366093, 21830465]

約数ペア:

[(1, 21830465), (5, 4366093), (17, 1284145), (79, 276335), (85, 256829), (395, 55267), (1343, 16255), (3251, 6715)]