21094755

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{739}}^1$

素因数の和:931

約数の個数: 32

約数和(自身を含む): 37082880

約数和(自身を除く): 15988125

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 173, 519, 739, 865, 1903, 2217, 2595, 3695, 5709, 8129, 9515, 11085, 24387, 28545, 40645, 121935, 127847, 383541, 639235, 1406317, 1917705, 4218951, 7031585, 21094755]

約数ペア:

[(1, 21094755), (3, 7031585), (5, 4218951), (11, 1917705), (15, 1406317), (33, 639235), (55, 383541), (165, 127847), (173, 121935), (519, 40645), (739, 28545), (865, 24387), (1903, 11085), (2217, 9515), (2595, 8129), (3695, 5709)]