21520512182

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{5272051}}^1$

素因数の和:5272223

約数の個数: 16

約数和(自身を含む): 34985337072

約数和(自身を除く): 13464824890

約数列:

[1, 2, 13, 26, 157, 314, 2041, 4082, 5272051, 10544102, 68536663, 137073326, 827712007, 1655424014, 10760256091, 21520512182]

約数ペア:

[(1, 21520512182), (2, 10760256091), (13, 1655424014), (26, 827712007), (157, 137073326), (314, 68536663), (2041, 10544102), (4082, 5272051)]