21021264

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{577}}^1$

素因数の和:625

約数の個数: 120

約数和(自身を含む): 67084992

約数和(自身を除く): 46063728

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 23, 24, 33, 36, 44, 46, 48, 66, 69, 72, 88, 92, 99, 132, 138, 144, 176, 184, 198, 207, 253, 264, 276, 368, 396, 414, 506, 528, 552, 577, 759, 792, 828, 1012, 1104, 1154, 1518, 1584, 1656, 1731, 2024, 2277, 2308, 3036, 3312, 3462, 4048, 4554, 4616, 5193, 6072, 6347, 6924, 9108, 9232, 10386, 12144, 12694, 13271, 13848, 18216, 19041, 20772, 25388, 26542, 27696, 36432, 38082, 39813, 41544, 50776, 53084, 57123, 76164, 79626, 83088, 101552, 106168, 114246, 119439, 145981, 152328, 159252, 212336, 228492, 238878, 291962, 304656, 318504, 437943, 456984, 477756, 583924, 637008, 875886, 913968, 955512, 1167848, 1313829, 1751772, 1911024, 2335696, 2627658, 3503544, 5255316, 7007088, 10510632, 21021264]

約数ペア:

[(1, 21021264), (2, 10510632), (3, 7007088), (4, 5255316), (6, 3503544), (8, 2627658), (9, 2335696), (11, 1911024), (12, 1751772), (16, 1313829), (18, 1167848), (22, 955512), (23, 913968), (24, 875886), (33, 637008), (36, 583924), (44, 477756), (46, 456984), (48, 437943), (66, 318504), (69, 304656), (72, 291962), (88, 238878), (92, 228492), (99, 212336), (132, 159252), (138, 152328), (144, 145981), (176, 119439), (184, 114246), (198, 106168), (207, 101552), (253, 83088), (264, 79626), (276, 76164), (368, 57123), (396, 53084), (414, 50776), (506, 41544), (528, 39813), (552, 38082), (577, 36432), (759, 27696), (792, 26542), (828, 25388), (1012, 20772), (1104, 19041), (1154, 18216), (1518, 13848), (1584, 13271), (1656, 12694), (1731, 12144), (2024, 10386), (2277, 9232), (2308, 9108), (3036, 6924), (3312, 6347), (3462, 6072), (4048, 5193), (4554, 4616)]