21787213730

素因数分解:

$2^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{9770051}}^1$

素因数の和:9770281

約数の個数: 16

約数和(自身を含む): 39392849664

約数和(自身を除く): 17605635934

約数列:

[1, 2, 5, 10, 223, 446, 1115, 2230, 9770051, 19540102, 48850255, 97700510, 2178721373, 4357442746, 10893606865, 21787213730]

約数ペア:

[(1, 21787213730), (2, 10893606865), (5, 4357442746), (10, 2178721373), (223, 97700510), (446, 48850255), (1115, 19540102), (2230, 9770051)]