21554997

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{9829}}^1$

素因数の和:9892

約数の個数: 16

約数和(自身を含む): 31141440

約数和(自身を除く): 9586443

約数列:

[1, 3, 17, 43, 51, 129, 731, 2193, 9829, 29487, 167093, 422647, 501279, 1267941, 7184999, 21554997]

約数ペア:

[(1, 21554997), (3, 7184999), (17, 1267941), (43, 501279), (51, 422647), (129, 167093), (731, 29487), (2193, 9829)]