21698050

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{39451}}^1$

素因数の和:39474

約数の個数: 24

約数和(自身を含む): 44028432

約数和(自身を除く): 22330382

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550, 39451, 78902, 197255, 394510, 433961, 867922, 986275, 1972550, 2169805, 4339610, 10849025, 21698050]

約数ペア:

[(1, 21698050), (2, 10849025), (5, 4339610), (10, 2169805), (11, 1972550), (22, 986275), (25, 867922), (50, 433961), (55, 394510), (110, 197255), (275, 78902), (550, 39451)]