21858002

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{1789}}^1$

素因数の和:1981

約数の個数: 16

約数和(自身を含む): 33831000

約数和(自身を除く): 11972998

約数列:

[1, 2, 41, 82, 149, 298, 1789, 3578, 6109, 12218, 73349, 146698, 266561, 533122, 10929001, 21858002]

約数ペア:

[(1, 21858002), (2, 10929001), (41, 533122), (82, 266561), (149, 146698), (298, 73349), (1789, 12218), (3578, 6109)]