21395856

素因数分解:

$2^4\times 3^1\times {\mathrm{445747}}^1$

素因数の和:445758

約数の個数: 20

約数和(自身を含む): 55272752

約数和(自身を除く): 33876896

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 445747, 891494, 1337241, 1782988, 2674482, 3565976, 5348964, 7131952, 10697928, 21395856]

約数ペア:

[(1, 21395856), (2, 10697928), (3, 7131952), (4, 5348964), (6, 3565976), (8, 2674482), (12, 1782988), (16, 1337241), (24, 891494), (48, 445747)]