21259673

素因数分解:

${\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{229}}^1$

素因数の和:416

約数の個数: 16

約数和(自身を含む): 23316480

約数和(自身を除く): 2056807

約数列:

[1, 17, 43, 127, 229, 731, 2159, 3893, 5461, 9847, 29083, 92837, 167399, 494411, 1250569, 21259673]

約数ペア:

[(1, 21259673), (17, 1250569), (43, 494411), (127, 167399), (229, 92837), (731, 29083), (2159, 9847), (3893, 5461)]