21268894521

素因数分解:

$3^1\times 7^1\times {\mathrm{1201}}^1\times {\mathrm{843301}}^1$

素因数の和:844512

約数の個数: 16

約数和(自身を含む): 32436768128

約数和(自身を除く): 11167873607

約数列:

[1, 3, 7, 21, 1201, 3603, 8407, 25221, 843301, 2529903, 5903107, 17709321, 1012804501, 3038413503, 7089631507, 21268894521]

約数ペア:

[(1, 21268894521), (3, 7089631507), (7, 3038413503), (21, 1012804501), (1201, 17709321), (3603, 5903107), (8407, 2529903), (25221, 843301)]