21455142

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^2\times {\mathrm{67}}^1$

素因数の和:197

約数の個数: 48

約数和(自身を含む): 46724160

約数和(自身を除く): 25269018

約数列:

[1, 2, 3, 6, 19, 38, 53, 57, 67, 106, 114, 134, 159, 201, 318, 402, 1007, 1273, 2014, 2546, 2809, 3021, 3551, 3819, 5618, 6042, 7102, 7638, 8427, 10653, 16854, 21306, 53371, 67469, 106742, 134938, 160113, 188203, 202407, 320226, 376406, 404814, 564609, 1129218, 3575857, 7151714, 10727571, 21455142]

約数ペア:

[(1, 21455142), (2, 10727571), (3, 7151714), (6, 3575857), (19, 1129218), (38, 564609), (53, 404814), (57, 376406), (67, 320226), (106, 202407), (114, 188203), (134, 160113), (159, 134938), (201, 106742), (318, 67469), (402, 53371), (1007, 21306), (1273, 16854), (2014, 10653), (2546, 8427), (2809, 7638), (3021, 7102), (3551, 6042), (3819, 5618)]