21000252708

素因数分解:

$2^2\times 3^2\times {\mathrm{107}}^1\times {\mathrm{5451779}}^1$

素因数の和:5451896

約数の個数: 36

約数和(自身を含む): 53580093840

約数和(自身を除く): 32579841132

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 107, 214, 321, 428, 642, 963, 1284, 1926, 3852, 5451779, 10903558, 16355337, 21807116, 32710674, 49066011, 65421348, 98132022, 196264044, 583340353, 1166680706, 1750021059, 2333361412, 3500042118, 5250063177, 7000084236, 10500126354, 21000252708]

約数ペア:

[(1, 21000252708), (2, 10500126354), (3, 7000084236), (4, 5250063177), (6, 3500042118), (9, 2333361412), (12, 1750021059), (18, 1166680706), (36, 583340353), (107, 196264044), (214, 98132022), (321, 65421348), (428, 49066011), (642, 32710674), (963, 21807116), (1284, 16355337), (1926, 10903558), (3852, 5451779)]