21068966

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{6451}}^1$

素因数の和:6547

約数の個数: 16

約数和(自身を含む): 33447168

約数和(自身を除く): 12378202

約数列:

[1, 2, 23, 46, 71, 142, 1633, 3266, 6451, 12902, 148373, 296746, 458021, 916042, 10534483, 21068966]

約数ペア:

[(1, 21068966), (2, 10534483), (23, 916042), (46, 458021), (71, 296746), (142, 148373), (1633, 12902), (3266, 6451)]