21900099

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{1609}}^1$

素因数の和:1974

約数の個数: 16

約数和(自身を含む): 31556000

約数和(自身を除く): 9655901

約数列:

[1, 3, 13, 39, 349, 1047, 1609, 4537, 4827, 13611, 20917, 62751, 561541, 1684623, 7300033, 21900099]

約数ペア:

[(1, 21900099), (3, 7300033), (13, 1684623), (39, 561541), (349, 62751), (1047, 20917), (1609, 13611), (4537, 4827)]