21950270

素因数分解:

$2^1\times 5^1\times {\mathrm{367}}^1\times {\mathrm{5981}}^1$

素因数の和:6355

約数の個数: 16

約数和(自身を含む): 39624768

約数和(自身を除く): 17674498

約数列:

[1, 2, 5, 10, 367, 734, 1835, 3670, 5981, 11962, 29905, 59810, 2195027, 4390054, 10975135, 21950270]

約数ペア:

[(1, 21950270), (2, 10975135), (5, 4390054), (10, 2195027), (367, 59810), (734, 29905), (1835, 11962), (3670, 5981)]