21426756

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7229}}^1$

素因数の和:7268

約数の個数: 48

約数和(自身を含む): 56683200

約数和(自身を除く): 35256444

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 57, 76, 78, 114, 156, 228, 247, 494, 741, 988, 1482, 2964, 7229, 14458, 21687, 28916, 43374, 86748, 93977, 137351, 187954, 274702, 281931, 375908, 412053, 549404, 563862, 824106, 1127724, 1648212, 1785563, 3571126, 5356689, 7142252, 10713378, 21426756]

約数ペア:

[(1, 21426756), (2, 10713378), (3, 7142252), (4, 5356689), (6, 3571126), (12, 1785563), (13, 1648212), (19, 1127724), (26, 824106), (38, 563862), (39, 549404), (52, 412053), (57, 375908), (76, 281931), (78, 274702), (114, 187954), (156, 137351), (228, 93977), (247, 86748), (494, 43374), (741, 28916), (988, 21687), (1482, 14458), (2964, 7229)]