21421064

素因数分解:

$2^3\times 7^1\times {\mathrm{382519}}^1$

素因数の和:382532

約数の個数: 16

約数和(自身を含む): 45902400

約数和(自身を除く): 24481336

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 382519, 765038, 1530076, 2677633, 3060152, 5355266, 10710532, 21421064]

約数ペア:

[(1, 21421064), (2, 10710532), (4, 5355266), (7, 3060152), (8, 2677633), (14, 1530076), (28, 765038), (56, 382519)]