21251856

素因数分解:

$2^4\times 3^1\times {\mathrm{442747}}^1$

素因数の和:442758

約数の個数: 20

約数和(自身を含む): 54900752

約数和(自身を除く): 33648896

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 442747, 885494, 1328241, 1770988, 2656482, 3541976, 5312964, 7083952, 10625928, 21251856]

約数ペア:

[(1, 21251856), (2, 10625928), (3, 7083952), (4, 5312964), (6, 3541976), (8, 2656482), (12, 1770988), (16, 1328241), (24, 885494), (48, 442747)]