21143724

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{6803}}^1$

素因数の和:6854

約数の個数: 48

約数和(自身を含む): 57915648

約数和(自身を除く): 36771924

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 74, 84, 111, 148, 222, 259, 444, 518, 777, 1036, 1554, 3108, 6803, 13606, 20409, 27212, 40818, 47621, 81636, 95242, 142863, 190484, 251711, 285726, 503422, 571452, 755133, 1006844, 1510266, 1761977, 3020532, 3523954, 5285931, 7047908, 10571862, 21143724]

約数ペア:

[(1, 21143724), (2, 10571862), (3, 7047908), (4, 5285931), (6, 3523954), (7, 3020532), (12, 1761977), (14, 1510266), (21, 1006844), (28, 755133), (37, 571452), (42, 503422), (74, 285726), (84, 251711), (111, 190484), (148, 142863), (222, 95242), (259, 81636), (444, 47621), (518, 40818), (777, 27212), (1036, 20409), (1554, 13606), (3108, 6803)]