21333903

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{16273}}^1$

素因数の和:16318

約数の個数: 16

約数和(自身を含む): 31246080

約数和(自身を除く): 9912177

約数列:

[1, 3, 19, 23, 57, 69, 437, 1311, 16273, 48819, 309187, 374279, 927561, 1122837, 7111301, 21333903]

約数ペア:

[(1, 21333903), (3, 7111301), (19, 1122837), (23, 927561), (57, 374279), (69, 309187), (437, 48819), (1311, 16273)]