21411138

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{3833}}^1$

素因数の和:3871

約数の個数: 48

約数和(自身を含む): 52449120

約数和(自身を除く): 31037982

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 49, 57, 98, 114, 133, 147, 266, 294, 399, 798, 931, 1862, 2793, 3833, 5586, 7666, 11499, 22998, 26831, 53662, 72827, 80493, 145654, 160986, 187817, 218481, 375634, 436962, 509789, 563451, 1019578, 1126902, 1529367, 3058734, 3568523, 7137046, 10705569, 21411138]

約数ペア:

[(1, 21411138), (2, 10705569), (3, 7137046), (6, 3568523), (7, 3058734), (14, 1529367), (19, 1126902), (21, 1019578), (38, 563451), (42, 509789), (49, 436962), (57, 375634), (98, 218481), (114, 187817), (133, 160986), (147, 145654), (266, 80493), (294, 72827), (399, 53662), (798, 26831), (931, 22998), (1862, 11499), (2793, 7666), (3833, 5586)]