21278302070

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{523}}^1\times {\mathrm{55733}}^1$

素因数の和:56336

約数の個数: 32

約数和(自身を含む): 38900548512

約数和(自身を除く): 17622246442

約数列:

[1, 2, 5, 10, 73, 146, 365, 523, 730, 1046, 2615, 5230, 38179, 55733, 76358, 111466, 190895, 278665, 381790, 557330, 4068509, 8137018, 20342545, 29148359, 40685090, 58296718, 145741795, 291483590, 2127830207, 4255660414, 10639151035, 21278302070]

約数ペア:

[(1, 21278302070), (2, 10639151035), (5, 4255660414), (10, 2127830207), (73, 291483590), (146, 145741795), (365, 58296718), (523, 40685090), (730, 29148359), (1046, 20342545), (2615, 8137018), (5230, 4068509), (38179, 557330), (55733, 381790), (76358, 278665), (111466, 190895)]