21121670

素因数分解:

$2^1\times 5^1\times {\mathrm{379}}^1\times {\mathrm{5573}}^1$

素因数の和:5959

約数の個数: 16

約数和(自身を含む): 38126160

約数和(自身を除く): 17004490

約数列:

[1, 2, 5, 10, 379, 758, 1895, 3790, 5573, 11146, 27865, 55730, 2112167, 4224334, 10560835, 21121670]

約数ペア:

[(1, 21121670), (2, 10560835), (5, 4224334), (10, 2112167), (379, 55730), (758, 27865), (1895, 11146), (3790, 5573)]