21105588

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{251257}}^1$

素因数の和:251271

約数の個数: 24

約数和(自身を含む): 56281792

約数和(自身を除く): 35176204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 251257, 502514, 753771, 1005028, 1507542, 1758799, 3015084, 3517598, 5276397, 7035196, 10552794, 21105588]

約数ペア:

[(1, 21105588), (2, 10552794), (3, 7035196), (4, 5276397), (6, 3517598), (7, 3015084), (12, 1758799), (14, 1507542), (21, 1005028), (28, 753771), (42, 502514), (84, 251257)]