21109418

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{4591}}^1$

素因数の和:4634

約数の個数: 24

約数和(自身を含む): 36644160

約数和(自身を除く): 15534742

約数列:

[1, 2, 11, 19, 22, 38, 121, 209, 242, 418, 2299, 4591, 4598, 9182, 50501, 87229, 101002, 174458, 555511, 959519, 1111022, 1919038, 10554709, 21109418]

約数ペア:

[(1, 21109418), (2, 10554709), (11, 1919038), (19, 1111022), (22, 959519), (38, 555511), (121, 174458), (209, 101002), (242, 87229), (418, 50501), (2299, 9182), (4591, 4598)]