21258624

素因数分解:

$2^7\times 3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1$

素因数の和:152

約数の個数: 128

約数和(自身を含む): 61689600

約数和(自身を除く): 40430976

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 29, 32, 46, 48, 58, 64, 69, 83, 87, 92, 96, 116, 128, 138, 166, 174, 184, 192, 232, 249, 276, 332, 348, 368, 384, 464, 498, 552, 664, 667, 696, 736, 928, 996, 1104, 1328, 1334, 1392, 1472, 1856, 1909, 1992, 2001, 2208, 2407, 2656, 2668, 2784, 2944, 3712, 3818, 3984, 4002, 4416, 4814, 5312, 5336, 5568, 5727, 7221, 7636, 7968, 8004, 8832, 9628, 10624, 10672, 11136, 11454, 14442, 15272, 15936, 16008, 19256, 21344, 22908, 28884, 30544, 31872, 32016, 38512, 42688, 45816, 55361, 57768, 61088, 64032, 77024, 85376, 91632, 110722, 115536, 122176, 128064, 154048, 166083, 183264, 221444, 231072, 244352, 256128, 308096, 332166, 366528, 442888, 462144, 664332, 733056, 885776, 924288, 1328664, 1771552, 2657328, 3543104, 5314656, 7086208, 10629312, 21258624]

約数ペア:

[(1, 21258624), (2, 10629312), (3, 7086208), (4, 5314656), (6, 3543104), (8, 2657328), (12, 1771552), (16, 1328664), (23, 924288), (24, 885776), (29, 733056), (32, 664332), (46, 462144), (48, 442888), (58, 366528), (64, 332166), (69, 308096), (83, 256128), (87, 244352), (92, 231072), (96, 221444), (116, 183264), (128, 166083), (138, 154048), (166, 128064), (174, 122176), (184, 115536), (192, 110722), (232, 91632), (249, 85376), (276, 77024), (332, 64032), (348, 61088), (368, 57768), (384, 55361), (464, 45816), (498, 42688), (552, 38512), (664, 32016), (667, 31872), (696, 30544), (736, 28884), (928, 22908), (996, 21344), (1104, 19256), (1328, 16008), (1334, 15936), (1392, 15272), (1472, 14442), (1856, 11454), (1909, 11136), (1992, 10672), (2001, 10624), (2208, 9628), (2407, 8832), (2656, 8004), (2668, 7968), (2784, 7636), (2944, 7221), (3712, 5727), (3818, 5568), (3984, 5336), (4002, 5312), (4416, 4814)]