21329517

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{877}}^1$

素因数の和:969

約数の個数: 24

約数和(自身を含む): 31762528

約数和(自身を除く): 10433011

約数列:

[1, 3, 11, 33, 67, 121, 201, 363, 737, 877, 2211, 2631, 8107, 9647, 24321, 28941, 58759, 106117, 176277, 318351, 646349, 1939047, 7109839, 21329517]

約数ペア:

[(1, 21329517), (3, 7109839), (11, 1939047), (33, 646349), (67, 318351), (121, 176277), (201, 106117), (363, 58759), (737, 28941), (877, 24321), (2211, 9647), (2631, 8107)]