21536152

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:232

約数の個数: 64

約数和(自身を含む): 46448640

約数和(自身を除く): 24912488

約数列:

[1, 2, 4, 8, 11, 22, 41, 44, 47, 82, 88, 94, 127, 164, 188, 254, 328, 376, 451, 508, 517, 902, 1016, 1034, 1397, 1804, 1927, 2068, 2794, 3608, 3854, 4136, 5207, 5588, 5969, 7708, 10414, 11176, 11938, 15416, 20828, 21197, 23876, 41656, 42394, 47752, 57277, 65659, 84788, 114554, 131318, 169576, 229108, 244729, 262636, 458216, 489458, 525272, 978916, 1957832, 2692019, 5384038, 10768076, 21536152]

約数ペア:

[(1, 21536152), (2, 10768076), (4, 5384038), (8, 2692019), (11, 1957832), (22, 978916), (41, 525272), (44, 489458), (47, 458216), (82, 262636), (88, 244729), (94, 229108), (127, 169576), (164, 131318), (188, 114554), (254, 84788), (328, 65659), (376, 57277), (451, 47752), (508, 42394), (517, 41656), (902, 23876), (1016, 21197), (1034, 20828), (1397, 15416), (1804, 11938), (1927, 11176), (2068, 10414), (2794, 7708), (3608, 5969), (3854, 5588), (4136, 5207)]