21032297540

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{7676021}}^1$

素因数の和:7676167

約数の個数: 24

約数和(自身を含む): 44490223512

約数和(自身を除く): 23457925972

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 7676021, 15352042, 30704084, 38380105, 76760210, 153520420, 1051614877, 2103229754, 4206459508, 5258074385, 10516148770, 21032297540]

約数ペア:

[(1, 21032297540), (2, 10516148770), (4, 5258074385), (5, 4206459508), (10, 2103229754), (20, 1051614877), (137, 153520420), (274, 76760210), (548, 38380105), (685, 30704084), (1370, 15352042), (2740, 7676021)]