21644179

素因数分解:

${\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1021}}^1$

素因数の和:1110

約数の個数: 16

約数和(自身を含む): 24282720

約数和(自身を除く): 2638541

約数列:

[1, 17, 29, 43, 493, 731, 1021, 1247, 17357, 21199, 29609, 43903, 503353, 746351, 1273187, 21644179]

約数ペア:

[(1, 21644179), (17, 1273187), (29, 746351), (43, 503353), (493, 43903), (731, 29609), (1021, 21199), (1247, 17357)]