21704485

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{337}}^1\times {\mathrm{1171}}^1$

素因数の和:1524

約数の個数: 16

約数和(自身を含む): 28521792

約数和(自身を除く): 6817307

約数列:

[1, 5, 11, 55, 337, 1171, 1685, 3707, 5855, 12881, 18535, 64405, 394627, 1973135, 4340897, 21704485]

約数ペア:

[(1, 21704485), (5, 4340897), (11, 1973135), (55, 394627), (337, 64405), (1171, 18535), (1685, 12881), (3707, 5855)]