21815977

素因数分解:

${\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1$

素因数の和:348

約数の個数: 16

約数和(自身を含む): 23384592

約数和(自身を除く): 1568615

約数列:

[1, 37, 41, 73, 197, 1517, 2701, 2993, 7289, 8077, 14381, 110741, 298849, 532097, 589621, 21815977]

約数ペア:

[(1, 21815977), (37, 589621), (41, 532097), (73, 298849), (197, 110741), (1517, 14381), (2701, 8077), (2993, 7289)]