21838286

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{1553}}^1$

素因数の和:1723

約数の個数: 16

約数和(自身を含む): 33566400

約数和(自身を除く): 11728114

約数列:

[1, 2, 79, 89, 158, 178, 1553, 3106, 7031, 14062, 122687, 138217, 245374, 276434, 10919143, 21838286]

約数ペア:

[(1, 21838286), (2, 10919143), (79, 276434), (89, 245374), (158, 138217), (178, 122687), (1553, 14062), (3106, 7031)]