21143856

素因数分解:

$2^4\times 3^1\times {\mathrm{440497}}^1$

素因数の和:440508

約数の個数: 20

約数和(自身を含む): 54621752

約数和(自身を除く): 33477896

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 440497, 880994, 1321491, 1761988, 2642982, 3523976, 5285964, 7047952, 10571928, 21143856]

約数ペア:

[(1, 21143856), (2, 10571928), (3, 7047952), (4, 5285964), (6, 3523976), (8, 2642982), (12, 1761988), (16, 1321491), (24, 880994), (48, 440497)]