21532364

素因数分解:

$2^2\times 7^2\times {\mathrm{109859}}^1$

素因数の和:109877

約数の個数: 18

約数和(自身を含む): 43834140

約数和(自身を除く): 22301776

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 109859, 219718, 439436, 769013, 1538026, 3076052, 5383091, 10766182, 21532364]

約数ペア:

[(1, 21532364), (2, 10766182), (4, 5383091), (7, 3076052), (14, 1538026), (28, 769013), (49, 439436), (98, 219718), (196, 109859)]