21700063

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{12253}}^1$

素因数の和:12294

約数の個数: 16

約数和(自身を含む): 28233216

約数和(自身を除く): 6533153

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 12253, 85771, 134783, 281819, 943481, 1972733, 3100009, 21700063]

約数ペア:

[(1, 21700063), (7, 3100009), (11, 1972733), (23, 943481), (77, 281819), (161, 134783), (253, 85771), (1771, 12253)]