21846159

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{277}}^1$

素因数の和:436

約数の個数: 32

約数和(自身を含む): 34160640

約数和(自身を除く): 12314481

約数列:

[1, 3, 9, 23, 27, 69, 127, 207, 277, 381, 621, 831, 1143, 2493, 2921, 3429, 6371, 7479, 8763, 19113, 26289, 35179, 57339, 78867, 105537, 172017, 316611, 809117, 949833, 2427351, 7282053, 21846159]

約数ペア:

[(1, 21846159), (3, 7282053), (9, 2427351), (23, 949833), (27, 809117), (69, 316611), (127, 172017), (207, 105537), (277, 78867), (381, 57339), (621, 35179), (831, 26289), (1143, 19113), (2493, 8763), (2921, 7479), (3429, 6371)]