21715806

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{517043}}^1$

素因数の和:517055

約数の個数: 16

約数和(自身を含む): 49636224

約数和(自身を除く): 27920418

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 517043, 1034086, 1551129, 3102258, 3619301, 7238602, 10857903, 21715806]

約数ペア:

[(1, 21715806), (2, 10857903), (3, 7238602), (6, 3619301), (7, 3102258), (14, 1551129), (21, 1034086), (42, 517043)]