2021675831

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{353}}^1\times {\mathrm{359}}^1$

素因数の和:815

約数の個数: 32

約数和(自身を含む): 2422379520

約数和(自身を除く): 400703689

約数列:

[1, 7, 43, 53, 301, 353, 359, 371, 2279, 2471, 2513, 15179, 15437, 15953, 18709, 19027, 106253, 108059, 126727, 130963, 133189, 804487, 818161, 887089, 5449261, 5631409, 5727127, 6716531, 38144827, 47015717, 288810833, 2021675831]

約数ペア:

[(1, 2021675831), (7, 288810833), (43, 47015717), (53, 38144827), (301, 6716531), (353, 5727127), (359, 5631409), (371, 5449261), (2279, 887089), (2471, 818161), (2513, 804487), (15179, 133189), (15437, 130963), (15953, 126727), (18709, 108059), (19027, 106253)]