21447933

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{11701}}^1$

素因数の和:11764

約数の個数: 16

約数和(自身を含む): 31454976

約数和(自身を除く): 10007043

約数列:

[1, 3, 13, 39, 47, 141, 611, 1833, 11701, 35103, 152113, 456339, 549947, 1649841, 7149311, 21447933]

約数ペア:

[(1, 21447933), (3, 7149311), (13, 1649841), (39, 549947), (47, 456339), (141, 152113), (611, 35103), (1833, 11701)]