21166124

素因数分解:

$2^2\times 7^1\times {\mathrm{277}}^1\times {\mathrm{2729}}^1$

素因数の和:3017

約数の個数: 24

約数和(自身を含む): 42500640

約数和(自身を除く): 21334516

約数列:

[1, 2, 4, 7, 14, 28, 277, 554, 1108, 1939, 2729, 3878, 5458, 7756, 10916, 19103, 38206, 76412, 755933, 1511866, 3023732, 5291531, 10583062, 21166124]

約数ペア:

[(1, 21166124), (2, 10583062), (4, 5291531), (7, 3023732), (14, 1511866), (28, 755933), (277, 76412), (554, 38206), (1108, 19103), (1939, 10916), (2729, 7756), (3878, 5458)]