21933315

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{503}}^1$

素因数の和:553

約数の個数: 64

約数和(自身を含む): 43545600

約数和(自身を除く): 21612285

約数列:

[1, 3, 5, 9, 15, 17, 19, 27, 45, 51, 57, 85, 95, 135, 153, 171, 255, 285, 323, 459, 503, 513, 765, 855, 969, 1509, 1615, 2295, 2515, 2565, 2907, 4527, 4845, 7545, 8551, 8721, 9557, 13581, 14535, 22635, 25653, 28671, 42755, 43605, 47785, 67905, 76959, 86013, 128265, 143355, 162469, 230877, 258039, 384795, 430065, 487407, 812345, 1154385, 1290195, 1462221, 2437035, 4386663, 7311105, 21933315]

約数ペア:

[(1, 21933315), (3, 7311105), (5, 4386663), (9, 2437035), (15, 1462221), (17, 1290195), (19, 1154385), (27, 812345), (45, 487407), (51, 430065), (57, 384795), (85, 258039), (95, 230877), (135, 162469), (153, 143355), (171, 128265), (255, 86013), (285, 76959), (323, 67905), (459, 47785), (503, 43605), (513, 42755), (765, 28671), (855, 25653), (969, 22635), (1509, 14535), (1615, 13581), (2295, 9557), (2515, 8721), (2565, 8551), (2907, 7545), (4527, 4845)]