21528153

素因数分解:

$3^3\times {\mathrm{359}}^1\times {\mathrm{2221}}^1$

素因数の和:2589

約数の個数: 16

約数和(自身を含む): 31996800

約数和(自身を除く): 10468647

約数列:

[1, 3, 9, 27, 359, 1077, 2221, 3231, 6663, 9693, 19989, 59967, 797339, 2392017, 7176051, 21528153]

約数ペア:

[(1, 21528153), (3, 7176051), (9, 2392017), (27, 797339), (359, 59967), (1077, 19989), (2221, 9693), (3231, 6663)]