2021001808

素因数分解:

$2^4\times 7^1\times {\mathrm{3581}}^1\times {\mathrm{5039}}^1$

素因数の和:8635

約数の個数: 40

約数和(自身を含む): 4477213440

約数和(自身を除く): 2456211632

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 3581, 5039, 7162, 10078, 14324, 20156, 25067, 28648, 35273, 40312, 50134, 57296, 70546, 80624, 100268, 141092, 200536, 282184, 401072, 564368, 18044659, 36089318, 72178636, 126312613, 144357272, 252625226, 288714544, 505250452, 1010500904, 2021001808]

約数ペア:

[(1, 2021001808), (2, 1010500904), (4, 505250452), (7, 288714544), (8, 252625226), (14, 144357272), (16, 126312613), (28, 72178636), (56, 36089318), (112, 18044659), (3581, 564368), (5039, 401072), (7162, 282184), (10078, 200536), (14324, 141092), (20156, 100268), (25067, 80624), (28648, 70546), (35273, 57296), (40312, 50134)]