21360048

素因数分解:

$2^4\times 3^1\times {\mathrm{445001}}^1$

素因数の和:445012

約数の個数: 20

約数和(自身を含む): 55180248

約数和(自身を除く): 33820200

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 445001, 890002, 1335003, 1780004, 2670006, 3560008, 5340012, 7120016, 10680024, 21360048]

約数ペア:

[(1, 21360048), (2, 10680024), (3, 7120016), (4, 5340012), (6, 3560008), (8, 2670006), (12, 1780004), (16, 1335003), (24, 890002), (48, 445001)]