21493822

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{66751}}^1$

素因数の和:66783

約数の個数: 16

約数和(自身を含む): 38449152

約数和(自身を除く): 16955330

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 66751, 133502, 467257, 934514, 1535273, 3070546, 10746911, 21493822]

約数ペア:

[(1, 21493822), (2, 10746911), (7, 3070546), (14, 1535273), (23, 934514), (46, 467257), (161, 133502), (322, 66751)]