21027832

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19763}}^1$

素因数の和:19795

約数の個数: 32

約数和(自身を含む): 47433600

約数和(自身を除く): 26405768

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 19763, 39526, 79052, 138341, 158104, 276682, 375497, 553364, 750994, 1106728, 1501988, 2628479, 3003976, 5256958, 10513916, 21027832]

約数ペア:

[(1, 21027832), (2, 10513916), (4, 5256958), (7, 3003976), (8, 2628479), (14, 1501988), (19, 1106728), (28, 750994), (38, 553364), (56, 375497), (76, 276682), (133, 158104), (152, 138341), (266, 79052), (532, 39526), (1064, 19763)]