21415174

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:348

約数の個数: 32

約数和(自身を含む): 36288000

約数和(自身を除く): 14872826

約数列:

[1, 2, 11, 22, 47, 94, 139, 149, 278, 298, 517, 1034, 1529, 1639, 3058, 3278, 6533, 7003, 13066, 14006, 20711, 41422, 71863, 77033, 143726, 154066, 227821, 455642, 973417, 1946834, 10707587, 21415174]

約数ペア:

[(1, 21415174), (2, 10707587), (11, 1946834), (22, 973417), (47, 455642), (94, 227821), (139, 154066), (149, 143726), (278, 77033), (298, 71863), (517, 41422), (1034, 20711), (1529, 14006), (1639, 13066), (3058, 7003), (3278, 6533)]