21983784

素因数分解:

$2^3\times 3^1\times {\mathrm{915991}}^1$

素因数の和:916000

約数の個数: 16

約数和(自身を含む): 54959520

約数和(自身を除く): 32975736

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 915991, 1831982, 2747973, 3663964, 5495946, 7327928, 10991892, 21983784]

約数ペア:

[(1, 21983784), (2, 10991892), (3, 7327928), (4, 5495946), (6, 3663964), (8, 2747973), (12, 1831982), (24, 915991)]