21984320

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1$

素因数の和:172

約数の個数: 112

約数和(自身を含む): 57058560

約数和(自身を除く): 35074240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 29, 32, 40, 46, 58, 64, 80, 92, 103, 115, 116, 145, 160, 184, 206, 230, 232, 290, 320, 368, 412, 460, 464, 515, 580, 667, 736, 824, 920, 928, 1030, 1160, 1334, 1472, 1648, 1840, 1856, 2060, 2320, 2369, 2668, 2987, 3296, 3335, 3680, 4120, 4640, 4738, 5336, 5974, 6592, 6670, 7360, 8240, 9280, 9476, 10672, 11845, 11948, 13340, 14935, 16480, 18952, 21344, 23690, 23896, 26680, 29870, 32960, 37904, 42688, 47380, 47792, 53360, 59740, 68701, 75808, 94760, 95584, 106720, 119480, 137402, 151616, 189520, 191168, 213440, 238960, 274804, 343505, 379040, 477920, 549608, 687010, 758080, 955840, 1099216, 1374020, 2198432, 2748040, 4396864, 5496080, 10992160, 21984320]

約数ペア:

[(1, 21984320), (2, 10992160), (4, 5496080), (5, 4396864), (8, 2748040), (10, 2198432), (16, 1374020), (20, 1099216), (23, 955840), (29, 758080), (32, 687010), (40, 549608), (46, 477920), (58, 379040), (64, 343505), (80, 274804), (92, 238960), (103, 213440), (115, 191168), (116, 189520), (145, 151616), (160, 137402), (184, 119480), (206, 106720), (230, 95584), (232, 94760), (290, 75808), (320, 68701), (368, 59740), (412, 53360), (460, 47792), (464, 47380), (515, 42688), (580, 37904), (667, 32960), (736, 29870), (824, 26680), (920, 23896), (928, 23690), (1030, 21344), (1160, 18952), (1334, 16480), (1472, 14935), (1648, 13340), (1840, 11948), (1856, 11845), (2060, 10672), (2320, 9476), (2369, 9280), (2668, 8240), (2987, 7360), (3296, 6670), (3335, 6592), (3680, 5974), (4120, 5336), (4640, 4738)]