21087774

素因数分解:

$2^1\times 3^2\times {\mathrm{107}}^1\times {\mathrm{10949}}^1$

素因数の和:11064

約数の個数: 24

約数和(自身を含む): 46121400

約数和(自身を除く): 25033626

約数列:

[1, 2, 3, 6, 9, 18, 107, 214, 321, 642, 963, 1926, 10949, 21898, 32847, 65694, 98541, 197082, 1171543, 2343086, 3514629, 7029258, 10543887, 21087774]

約数ペア:

[(1, 21087774), (2, 10543887), (3, 7029258), (6, 3514629), (9, 2343086), (18, 1171543), (107, 197082), (214, 98541), (321, 65694), (642, 32847), (963, 21898), (1926, 10949)]