21501844

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3109}}^1$

素因数の和:3152

約数の個数: 48

約数和(自身を含む): 48764800

約数和(自身を除く): 27262956

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 91, 133, 182, 247, 266, 364, 494, 532, 988, 1729, 3109, 3458, 6218, 6916, 12436, 21763, 40417, 43526, 59071, 80834, 87052, 118142, 161668, 236284, 282919, 413497, 565838, 767923, 826994, 1131676, 1535846, 1653988, 3071692, 5375461, 10750922, 21501844]

約数ペア:

[(1, 21501844), (2, 10750922), (4, 5375461), (7, 3071692), (13, 1653988), (14, 1535846), (19, 1131676), (26, 826994), (28, 767923), (38, 565838), (52, 413497), (76, 282919), (91, 236284), (133, 161668), (182, 118142), (247, 87052), (266, 80834), (364, 59071), (494, 43526), (532, 40417), (988, 21763), (1729, 12436), (3109, 6916), (3458, 6218)]