21124594790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{162496883}}^1$

素因数の和:162496903

約数の個数: 16

約数和(自身を含む): 40949214768

約数和(自身を除く): 19824619978

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 162496883, 324993766, 812484415, 1624968830, 2112459479, 4224918958, 10562297395, 21124594790]

約数ペア:

[(1, 21124594790), (2, 10562297395), (5, 4224918958), (10, 2112459479), (13, 1624968830), (26, 812484415), (65, 324993766), (130, 162496883)]