21397322

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{233}}^1$

素因数の和:362

約数の個数: 32

約数和(自身を含む): 35532432

約数和(自身を除く): 14135110

約数列:

[1, 2, 17, 34, 37, 73, 74, 146, 233, 466, 629, 1241, 1258, 2482, 2701, 3961, 5402, 7922, 8621, 17009, 17242, 34018, 45917, 91834, 146557, 289153, 293114, 578306, 629333, 1258666, 10698661, 21397322]

約数ペア:

[(1, 21397322), (2, 10698661), (17, 1258666), (34, 629333), (37, 578306), (73, 293114), (74, 289153), (146, 146557), (233, 91834), (466, 45917), (629, 34018), (1241, 17242), (1258, 17009), (2482, 8621), (2701, 7922), (3961, 5402)]