21717740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{98717}}^1$

素因数の和:98737

約数の個数: 24

約数和(自身を含む): 49753872

約数和(自身を除く): 28036132

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 98717, 197434, 394868, 493585, 987170, 1085887, 1974340, 2171774, 4343548, 5429435, 10858870, 21717740]

約数ペア:

[(1, 21717740), (2, 10858870), (4, 5429435), (5, 4343548), (10, 2171774), (11, 1974340), (20, 1085887), (22, 987170), (44, 493585), (55, 394868), (110, 197434), (220, 98717)]