21345982

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89689}}^1$

素因数の和:89715

約数の個数: 16

約数和(自身を含む): 38746080

約数和(自身を除く): 17400098

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 89689, 179378, 627823, 1255646, 1524713, 3049426, 10672991, 21345982]

約数ペア:

[(1, 21345982), (2, 10672991), (7, 3049426), (14, 1524713), (17, 1255646), (34, 627823), (119, 179378), (238, 89689)]