21400603

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1117}}^1$

素因数の和:1171

約数の個数: 24

約数和(自身を含む): 27529632

約数和(自身を除く): 6129029

約数列:

[1, 7, 17, 23, 49, 119, 161, 391, 833, 1117, 1127, 2737, 7819, 18989, 19159, 25691, 54733, 132923, 179837, 436747, 930461, 1258859, 3057229, 21400603]

約数ペア:

[(1, 21400603), (7, 3057229), (17, 1258859), (23, 930461), (49, 436747), (119, 179837), (161, 132923), (391, 54733), (833, 25691), (1117, 19159), (1127, 18989), (2737, 7819)]