21923385

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{257}}^1$

素因数の和:334

約数の個数: 48

約数和(自身を含む): 39529728

約数和(自身を除く): 17606343

約数列:

[1, 3, 5, 11, 15, 33, 47, 55, 121, 141, 165, 235, 257, 363, 517, 605, 705, 771, 1285, 1551, 1815, 2585, 2827, 3855, 5687, 7755, 8481, 12079, 14135, 17061, 28435, 31097, 36237, 42405, 60395, 85305, 93291, 132869, 155485, 181185, 398607, 466455, 664345, 1461559, 1993035, 4384677, 7307795, 21923385]

約数ペア:

[(1, 21923385), (3, 7307795), (5, 4384677), (11, 1993035), (15, 1461559), (33, 664345), (47, 466455), (55, 398607), (121, 181185), (141, 155485), (165, 132869), (235, 93291), (257, 85305), (363, 60395), (517, 42405), (605, 36237), (705, 31097), (771, 28435), (1285, 17061), (1551, 14135), (1815, 12079), (2585, 8481), (2827, 7755), (3855, 5687)]