21540264

素因数分解:

$2^3\times 3^1\times {\mathrm{71}}^1\times {\mathrm{12641}}^1$

素因数の和:12721

約数の個数: 32

約数和(自身を含む): 54613440

約数和(自身を除く): 33073176

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 71, 142, 213, 284, 426, 568, 852, 1704, 12641, 25282, 37923, 50564, 75846, 101128, 151692, 303384, 897511, 1795022, 2692533, 3590044, 5385066, 7180088, 10770132, 21540264]

約数ペア:

[(1, 21540264), (2, 10770132), (3, 7180088), (4, 5385066), (6, 3590044), (8, 2692533), (12, 1795022), (24, 897511), (71, 303384), (142, 151692), (213, 101128), (284, 75846), (426, 50564), (568, 37923), (852, 25282), (1704, 12641)]