21759864

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1$

素因数の和:453

約数の個数: 128

約数和(自身を含む): 69465600

約数和(自身を除く): 47705736

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 19, 21, 24, 28, 34, 38, 42, 51, 56, 57, 68, 76, 84, 102, 114, 119, 133, 136, 152, 168, 204, 228, 238, 266, 323, 357, 399, 401, 408, 456, 476, 532, 646, 714, 798, 802, 952, 969, 1064, 1203, 1292, 1428, 1596, 1604, 1938, 2261, 2406, 2584, 2807, 2856, 3192, 3208, 3876, 4522, 4812, 5614, 6783, 6817, 7619, 7752, 8421, 9044, 9624, 11228, 13566, 13634, 15238, 16842, 18088, 20451, 22456, 22857, 27132, 27268, 30476, 33684, 40902, 45714, 47719, 53333, 54264, 54536, 60952, 67368, 81804, 91428, 95438, 106666, 129523, 143157, 159999, 163608, 182856, 190876, 213332, 259046, 286314, 319998, 381752, 388569, 426664, 518092, 572628, 639996, 777138, 906661, 1036184, 1145256, 1279992, 1554276, 1813322, 2719983, 3108552, 3626644, 5439966, 7253288, 10879932, 21759864]

約数ペア:

[(1, 21759864), (2, 10879932), (3, 7253288), (4, 5439966), (6, 3626644), (7, 3108552), (8, 2719983), (12, 1813322), (14, 1554276), (17, 1279992), (19, 1145256), (21, 1036184), (24, 906661), (28, 777138), (34, 639996), (38, 572628), (42, 518092), (51, 426664), (56, 388569), (57, 381752), (68, 319998), (76, 286314), (84, 259046), (102, 213332), (114, 190876), (119, 182856), (133, 163608), (136, 159999), (152, 143157), (168, 129523), (204, 106666), (228, 95438), (238, 91428), (266, 81804), (323, 67368), (357, 60952), (399, 54536), (401, 54264), (408, 53333), (456, 47719), (476, 45714), (532, 40902), (646, 33684), (714, 30476), (798, 27268), (802, 27132), (952, 22857), (969, 22456), (1064, 20451), (1203, 18088), (1292, 16842), (1428, 15238), (1596, 13634), (1604, 13566), (1938, 11228), (2261, 9624), (2406, 9044), (2584, 8421), (2807, 7752), (2856, 7619), (3192, 6817), (3208, 6783), (3876, 5614), (4522, 4812)]