21023044

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{919}}^1$

素因数の和:992

約数の個数: 48

約数和(自身を含む): 45337600

約数和(自身を除く): 24314556

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 43, 76, 86, 133, 172, 266, 301, 532, 602, 817, 919, 1204, 1634, 1838, 3268, 3676, 5719, 6433, 11438, 12866, 17461, 22876, 25732, 34922, 39517, 69844, 79034, 122227, 158068, 244454, 276619, 488908, 553238, 750823, 1106476, 1501646, 3003292, 5255761, 10511522, 21023044]

約数ペア:

[(1, 21023044), (2, 10511522), (4, 5255761), (7, 3003292), (14, 1501646), (19, 1106476), (28, 750823), (38, 553238), (43, 488908), (76, 276619), (86, 244454), (133, 158068), (172, 122227), (266, 79034), (301, 69844), (532, 39517), (602, 34922), (817, 25732), (919, 22876), (1204, 17461), (1634, 12866), (1838, 11438), (3268, 6433), (3676, 5719)]