21803888

素因数分解:

$2^4\times {\mathrm{293}}^1\times {\mathrm{4651}}^1$

素因数の和:4952

約数の個数: 20

約数和(自身を含む): 42398328

約数和(自身を除く): 20594440

約数列:

[1, 2, 4, 8, 16, 293, 586, 1172, 2344, 4651, 4688, 9302, 18604, 37208, 74416, 1362743, 2725486, 5450972, 10901944, 21803888]

約数ペア:

[(1, 21803888), (2, 10901944), (4, 5450972), (8, 2725486), (16, 1362743), (293, 74416), (586, 37208), (1172, 18604), (2344, 9302), (4651, 4688)]