21888658

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{151}}^1\times {\mathrm{599}}^1$

素因数の和:774

約数の個数: 24

約数和(自身を含む): 36388800

約数和(自身を除く): 14500142

約数列:

[1, 2, 11, 22, 121, 151, 242, 302, 599, 1198, 1661, 3322, 6589, 13178, 18271, 36542, 72479, 90449, 144958, 180898, 994939, 1989878, 10944329, 21888658]

約数ペア:

[(1, 21888658), (2, 10944329), (11, 1989878), (22, 994939), (121, 180898), (151, 144958), (242, 90449), (302, 72479), (599, 36542), (1198, 18271), (1661, 13178), (3322, 6589)]