2021497821

素因数分解:

$3^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{299881}}^1$

素因数の和:300001

約数の個数: 24

約数和(自身を含む): 3368274624

約数和(自身を除く): 1346776803

約数列:

[1, 3, 7, 9, 21, 63, 107, 321, 749, 963, 2247, 6741, 299881, 899643, 2099167, 2698929, 6297501, 18892503, 32087267, 96261801, 224610869, 288785403, 673832607, 2021497821]

約数ペア:

[(1, 2021497821), (3, 673832607), (7, 288785403), (9, 224610869), (21, 96261801), (63, 32087267), (107, 18892503), (321, 6297501), (749, 2698929), (963, 2099167), (2247, 899643), (6741, 299881)]