21263784

素因数分解:

$2^3\times 3^1\times {\mathrm{885991}}^1$

素因数の和:886000

約数の個数: 16

約数和(自身を含む): 53159520

約数和(自身を除く): 31895736

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 885991, 1771982, 2657973, 3543964, 5315946, 7087928, 10631892, 21263784]

約数ペア:

[(1, 21263784), (2, 10631892), (3, 7087928), (4, 5315946), (6, 3543964), (8, 2657973), (12, 1771982), (24, 885991)]