21598742

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{149}}^1\times {\mathrm{599}}^1$

素因数の和:772

約数の個数: 24

約数和(自身を含む): 35910000

約数和(自身を除く): 14311258

約数列:

[1, 2, 11, 22, 121, 149, 242, 298, 599, 1198, 1639, 3278, 6589, 13178, 18029, 36058, 72479, 89251, 144958, 178502, 981761, 1963522, 10799371, 21598742]

約数ペア:

[(1, 21598742), (2, 10799371), (11, 1963522), (22, 981761), (121, 178502), (149, 144958), (242, 89251), (298, 72479), (599, 36058), (1198, 18029), (1639, 13178), (3278, 6589)]