21992842

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{83}}^1\times {\mathrm{367}}^1$

素因数の和:490

約数の個数: 24

約数和(自身を含む): 35332416

約数和(自身を除く): 13339574

約数列:

[1, 2, 19, 38, 83, 166, 361, 367, 722, 734, 1577, 3154, 6973, 13946, 29963, 30461, 59926, 60922, 132487, 264974, 578759, 1157518, 10996421, 21992842]

約数ペア:

[(1, 21992842), (2, 10996421), (19, 1157518), (38, 578759), (83, 264974), (166, 132487), (361, 60922), (367, 59926), (722, 30461), (734, 29963), (1577, 13946), (3154, 6973)]