2021050143

素因数分解:

$3^3\times 7^1\times {\mathrm{1747}}^1\times {\mathrm{6121}}^1$

素因数の和:7884

約数の個数: 32

約数和(自身を含む): 3424401920

約数和(自身を除く): 1403351777

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1747, 5241, 6121, 12229, 15723, 18363, 36687, 42847, 47169, 55089, 110061, 128541, 165267, 330183, 385623, 1156869, 10693387, 32080161, 74853709, 96240483, 224561127, 288721449, 673683381, 2021050143]

約数ペア:

[(1, 2021050143), (3, 673683381), (7, 288721449), (9, 224561127), (21, 96240483), (27, 74853709), (63, 32080161), (189, 10693387), (1747, 1156869), (5241, 385623), (6121, 330183), (12229, 165267), (15723, 128541), (18363, 110061), (36687, 55089), (42847, 47169)]