21982724

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{311}}^1\times {\mathrm{431}}^1$

素因数の和:787

約数の個数: 24

約数和(自身を含む): 39626496

約数和(自身を除く): 17643772

約数列:

[1, 2, 4, 41, 82, 164, 311, 431, 622, 862, 1244, 1724, 12751, 17671, 25502, 35342, 51004, 70684, 134041, 268082, 536164, 5495681, 10991362, 21982724]

約数ペア:

[(1, 21982724), (2, 10991362), (4, 5495681), (41, 536164), (82, 268082), (164, 134041), (311, 70684), (431, 51004), (622, 35342), (862, 25502), (1244, 17671), (1724, 12751)]