21149772

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{35969}}^1$

素因数の和:35990

約数の個数: 36

約数和(自身を含む): 57408120

約数和(自身を除く): 36258348

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 35969, 71938, 107907, 143876, 215814, 251783, 431628, 503566, 755349, 1007132, 1510698, 1762481, 3021396, 3524962, 5287443, 7049924, 10574886, 21149772]

約数ペア:

[(1, 21149772), (2, 10574886), (3, 7049924), (4, 5287443), (6, 3524962), (7, 3021396), (12, 1762481), (14, 1510698), (21, 1007132), (28, 755349), (42, 503566), (49, 431628), (84, 251783), (98, 215814), (147, 143876), (196, 107907), (294, 71938), (588, 35969)]