21444507

素因数分解:

$3^5\times 7^2\times {\mathrm{1801}}^1$

素因数の和:1830

約数の個数: 36

約数和(自身を含む): 37387896

約数和(自身を除く): 15943389

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 243, 441, 567, 1323, 1701, 1801, 3969, 5403, 11907, 12607, 16209, 37821, 48627, 88249, 113463, 145881, 264747, 340389, 437643, 794241, 1021167, 2382723, 3063501, 7148169, 21444507]

約数ペア:

[(1, 21444507), (3, 7148169), (7, 3063501), (9, 2382723), (21, 1021167), (27, 794241), (49, 437643), (63, 340389), (81, 264747), (147, 145881), (189, 113463), (243, 88249), (441, 48627), (567, 37821), (1323, 16209), (1701, 12607), (1801, 11907), (3969, 5403)]