21793473

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{10957}}^1$

素因数の和:10993

約数の個数: 24

約数和(自身を含む): 35898408

約数和(自身を除く): 14104935

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 10957, 32871, 98613, 142441, 186269, 427323, 558807, 1281969, 1676421, 2421497, 7264491, 21793473]

約数ペア:

[(1, 21793473), (3, 7264491), (9, 2421497), (13, 1676421), (17, 1281969), (39, 558807), (51, 427323), (117, 186269), (153, 142441), (221, 98613), (663, 32871), (1989, 10957)]