21840423

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{6823}}^1$

素因数の和:6934

約数の個数: 16

約数和(自身を含む): 32100096

約数和(自身を除く): 10259673

約数列:

[1, 3, 11, 33, 97, 291, 1067, 3201, 6823, 20469, 75053, 225159, 661831, 1985493, 7280141, 21840423]

約数ペア:

[(1, 21840423), (3, 7280141), (11, 1985493), (33, 661831), (97, 225159), (291, 75053), (1067, 20469), (3201, 6823)]