21160312

素因数分解:

$2^3\times {\mathrm{677}}^1\times {\mathrm{3907}}^1$

素因数の和:4590

約数の個数: 16

約数和(自身を含む): 39744360

約数和(自身を除く): 18584048

約数列:

[1, 2, 4, 8, 677, 1354, 2708, 3907, 5416, 7814, 15628, 31256, 2645039, 5290078, 10580156, 21160312]

約数ペア:

[(1, 21160312), (2, 10580156), (4, 5290078), (8, 2645039), (677, 31256), (1354, 15628), (2708, 7814), (3907, 5416)]