21011118

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{1361}}^1$

素因数の和:1480

約数の個数: 32

約数和(自身を含む): 43932672

約数和(自身を除く): 22921554

約数列:

[1, 2, 3, 6, 31, 62, 83, 93, 166, 186, 249, 498, 1361, 2573, 2722, 4083, 5146, 7719, 8166, 15438, 42191, 84382, 112963, 126573, 225926, 253146, 338889, 677778, 3501853, 7003706, 10505559, 21011118]

約数ペア:

[(1, 21011118), (2, 10505559), (3, 7003706), (6, 3501853), (31, 677778), (62, 338889), (83, 253146), (93, 225926), (166, 126573), (186, 112963), (249, 84382), (498, 42191), (1361, 15438), (2573, 8166), (2722, 7719), (4083, 5146)]