21925101597

素因数分解:

$3^1\times 7^3\times {\mathrm{21307193}}^1$

素因数の和:21307217

約数の個数: 16

約数和(自身を含む): 34091510400

約数和(自身を除く): 12166408803

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 21307193, 63921579, 149150351, 447451053, 1044052457, 3132157371, 7308367199, 21925101597]

約数ペア:

[(1, 21925101597), (3, 7308367199), (7, 3132157371), (21, 1044052457), (49, 447451053), (147, 149150351), (343, 63921579), (1029, 21307193)]