21954854

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{15017}}^1$

素因数の和:15079

約数の個数: 16

約数和(自身を含む): 35682768

約数和(自身を除く): 13727914

約数列:

[1, 2, 17, 34, 43, 86, 731, 1462, 15017, 30034, 255289, 510578, 645731, 1291462, 10977427, 21954854]

約数ペア:

[(1, 21954854), (2, 10977427), (17, 1291462), (34, 645731), (43, 510578), (86, 255289), (731, 30034), (1462, 15017)]