21740220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{120779}}^1$

素因数の和:120794

約数の個数: 36

約数和(自身を含む): 65945880

約数和(自身を除く): 44205660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 120779, 241558, 362337, 483116, 603895, 724674, 1087011, 1207790, 1449348, 1811685, 2174022, 2415580, 3623370, 4348044, 5435055, 7246740, 10870110, 21740220]

約数ペア:

[(1, 21740220), (2, 10870110), (3, 7246740), (4, 5435055), (5, 4348044), (6, 3623370), (9, 2415580), (10, 2174022), (12, 1811685), (15, 1449348), (18, 1207790), (20, 1087011), (30, 724674), (36, 603895), (45, 483116), (60, 362337), (90, 241558), (180, 120779)]