21544510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1609}}^1$

素因数の和:1732

約数の個数: 32

約数和(自身を含む): 42194880

約数和(自身を除く): 20650370

約数列:

[1, 2, 5, 10, 13, 26, 65, 103, 130, 206, 515, 1030, 1339, 1609, 2678, 3218, 6695, 8045, 13390, 16090, 20917, 41834, 104585, 165727, 209170, 331454, 828635, 1657270, 2154451, 4308902, 10772255, 21544510]

約数ペア:

[(1, 21544510), (2, 10772255), (5, 4308902), (10, 2154451), (13, 1657270), (26, 828635), (65, 331454), (103, 209170), (130, 165727), (206, 104585), (515, 41834), (1030, 20917), (1339, 16090), (1609, 13390), (2678, 8045), (3218, 6695)]