21298312

素因数分解:

$2^3\times 7^1\times {\mathrm{380327}}^1$

素因数の和:380340

約数の個数: 16

約数和(自身を含む): 45639360

約数和(自身を除く): 24341048

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 380327, 760654, 1521308, 2662289, 3042616, 5324578, 10649156, 21298312]

約数ペア:

[(1, 21298312), (2, 10649156), (4, 5324578), (7, 3042616), (8, 2662289), (14, 1521308), (28, 760654), (56, 380327)]