21462287

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{1321}}^1$

素因数の和:1550

約数の個数: 16

約数和(自身を含む): 26905344

約数和(自身を除く): 5443057

約数列:

[1, 7, 11, 77, 211, 1321, 1477, 2321, 9247, 14531, 16247, 101717, 278731, 1951117, 3066041, 21462287]

約数ペア:

[(1, 21462287), (7, 3066041), (11, 1951117), (77, 278731), (211, 101717), (1321, 16247), (1477, 14531), (2321, 9247)]