2021664519

素因数分解:

$3^2\times 7^1\times {\mathrm{311}}^1\times {\mathrm{103183}}^1$

素因数の和:103507

約数の個数: 24

約数和(自身を含む): 3348114432

約数和(自身を除く): 1326449913

約数列:

[1, 3, 7, 9, 21, 63, 311, 933, 2177, 2799, 6531, 19593, 103183, 309549, 722281, 928647, 2166843, 6500529, 32089913, 96269739, 224629391, 288809217, 673888173, 2021664519]

約数ペア:

[(1, 2021664519), (3, 673888173), (7, 288809217), (9, 224629391), (21, 96269739), (63, 32089913), (311, 6500529), (933, 2166843), (2177, 928647), (2799, 722281), (6531, 309549), (19593, 103183)]