21876841

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{7993}}^1$

素因数の和:8040

約数の個数: 16

約数和(自身を含む): 27627264

約数和(自身を除く): 5750423

約数列:

[1, 7, 17, 23, 119, 161, 391, 2737, 7993, 55951, 135881, 183839, 951167, 1286873, 3125263, 21876841]

約数ペア:

[(1, 21876841), (7, 3125263), (17, 1286873), (23, 951167), (119, 183839), (161, 135881), (391, 55951), (2737, 7993)]