21941918

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{251}}^1\times {\mathrm{401}}^1$

素因数の和:763

約数の個数: 16

約数和(自身を含む): 33430320

約数和(自身を除く): 11488402

約数列:

[1, 2, 109, 218, 251, 401, 502, 802, 27359, 43709, 54718, 87418, 100651, 201302, 10970959, 21941918]

約数ペア:

[(1, 21941918), (2, 10970959), (109, 201302), (218, 100651), (251, 87418), (401, 54718), (502, 43709), (802, 27359)]