21897992

素因数分解:

$2^3\times {\mathrm{971}}^1\times {\mathrm{2819}}^1$

素因数の和:3796

約数の個数: 16

約数和(自身を含む): 41115600

約数和(自身を除く): 19217608

約数列:

[1, 2, 4, 8, 971, 1942, 2819, 3884, 5638, 7768, 11276, 22552, 2737249, 5474498, 10948996, 21897992]

約数ペア:

[(1, 21897992), (2, 10948996), (4, 5474498), (8, 2737249), (971, 22552), (1942, 11276), (2819, 7768), (3884, 5638)]