21161041

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{983}}^1$

素因数の和:1116

約数の個数: 16

約数和(自身を含む): 24560640

約数和(自身を除く): 3399599

約数列:

[1, 11, 19, 103, 209, 983, 1133, 1957, 10813, 18677, 21527, 101249, 205447, 1113739, 1923731, 21161041]

約数ペア:

[(1, 21161041), (11, 1923731), (19, 1113739), (103, 205447), (209, 101249), (983, 21527), (1133, 18677), (1957, 10813)]