21518008

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{45589}}^1$

素因数の和:45654

約数の個数: 16

約数和(自身を含む): 41031000

約数和(自身を除く): 19512992

約数列:

[1, 2, 4, 8, 59, 118, 236, 472, 45589, 91178, 182356, 364712, 2689751, 5379502, 10759004, 21518008]

約数ペア:

[(1, 21518008), (2, 10759004), (4, 5379502), (8, 2689751), (59, 364712), (118, 182356), (236, 91178), (472, 45589)]