21930412

素因数分解:

$2^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{5717}}^1$

素因数の和:5865

約数の個数: 24

約数和(自身を含む): 44188704

約数和(自身を除く): 22258292

約数列:

[1, 2, 4, 7, 14, 28, 137, 274, 548, 959, 1918, 3836, 5717, 11434, 22868, 40019, 80038, 160076, 783229, 1566458, 3132916, 5482603, 10965206, 21930412]

約数ペア:

[(1, 21930412), (2, 10965206), (4, 5482603), (7, 3132916), (14, 1566458), (28, 783229), (137, 160076), (274, 80038), (548, 40019), (959, 22868), (1918, 11434), (3836, 5717)]