21620586

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{2543}}^1$

素因数の和:2670

約数の個数: 32

約数和(自身を含む): 47013120

約数和(自身を除く): 25392534

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 109, 218, 327, 654, 1417, 2543, 2834, 4251, 5086, 7629, 8502, 15258, 33059, 66118, 99177, 198354, 277187, 554374, 831561, 1663122, 3603431, 7206862, 10810293, 21620586]

約数ペア:

[(1, 21620586), (2, 10810293), (3, 7206862), (6, 3603431), (13, 1663122), (26, 831561), (39, 554374), (78, 277187), (109, 198354), (218, 99177), (327, 66118), (654, 33059), (1417, 15258), (2543, 8502), (2834, 7629), (4251, 5086)]