21118128

素因数分解:

$2^4\times 3^1\times {\mathrm{439961}}^1$

素因数の和:439972

約数の個数: 20

約数和(自身を含む): 54555288

約数和(自身を除く): 33437160

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 439961, 879922, 1319883, 1759844, 2639766, 3519688, 5279532, 7039376, 10559064, 21118128]

約数ペア:

[(1, 21118128), (2, 10559064), (3, 7039376), (4, 5279532), (6, 3519688), (8, 2639766), (12, 1759844), (16, 1319883), (24, 879922), (48, 439961)]