2123452821

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{727459}}^1$

素因数の和:727608

約数の個数: 16

約数和(自身を含む): 3259020800

約数和(自身を除く): 1135567979

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 727459, 2182377, 5092213, 15276639, 101116801, 303350403, 707817607, 2123452821]

約数ペア:

[(1, 2123452821), (3, 707817607), (7, 303350403), (21, 101116801), (139, 15276639), (417, 5092213), (973, 2182377), (2919, 727459)]