21678804

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{86027}}^1$

素因数の和:86044

約数の個数: 36

約数和(自身を含む): 62628384

約数和(自身を除く): 40949580

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 86027, 172054, 258081, 344108, 516162, 602189, 774243, 1032324, 1204378, 1548486, 1806567, 2408756, 3096972, 3613134, 5419701, 7226268, 10839402, 21678804]

約数ペア:

[(1, 21678804), (2, 10839402), (3, 7226268), (4, 5419701), (6, 3613134), (7, 3096972), (9, 2408756), (12, 1806567), (14, 1548486), (18, 1204378), (21, 1032324), (28, 774243), (36, 602189), (42, 516162), (63, 344108), (84, 258081), (126, 172054), (252, 86027)]