21674770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1217}}^1$

素因数の和:1374

約数の個数: 32

約数和(自身を含む): 42357168

約数和(自身を除く): 20682398

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 137, 274, 685, 1217, 1370, 1781, 2434, 3562, 6085, 8905, 12170, 15821, 17810, 31642, 79105, 158210, 166729, 333458, 833645, 1667290, 2167477, 4334954, 10837385, 21674770]

約数ペア:

[(1, 21674770), (2, 10837385), (5, 4334954), (10, 2167477), (13, 1667290), (26, 833645), (65, 333458), (130, 166729), (137, 158210), (274, 79105), (685, 31642), (1217, 17810), (1370, 15821), (1781, 12170), (2434, 8905), (3562, 6085)]