21298424

素因数分解:

$2^3\times 7^1\times {\mathrm{380329}}^1$

素因数の和:380342

約数の個数: 16

約数和(自身を含む): 45639600

約数和(自身を除く): 24341176

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 380329, 760658, 1521316, 2662303, 3042632, 5324606, 10649212, 21298424]

約数ペア:

[(1, 21298424), (2, 10649212), (4, 5324606), (7, 3042632), (8, 2662303), (14, 1521316), (28, 760658), (56, 380329)]