21028566960

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{313}}^1\times {\mathrm{4057}}^1$

素因数の和:4412

約数の個数: 240

約数和(自身を含む): 73945070784

約数和(自身を除く): 52916503824

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 115, 120, 138, 144, 180, 184, 207, 230, 240, 276, 313, 345, 360, 368, 414, 460, 552, 626, 690, 720, 828, 920, 939, 1035, 1104, 1252, 1380, 1565, 1656, 1840, 1878, 2070, 2504, 2760, 2817, 3130, 3312, 3756, 4057, 4140, 4695, 5008, 5520, 5634, 6260, 7199, 7512, 8114, 8280, 9390, 11268, 12171, 12520, 14085, 14398, 15024, 16228, 16560, 18780, 20285, 21597, 22536, 24342, 25040, 28170, 28796, 32456, 35995, 36513, 37560, 40570, 43194, 45072, 48684, 56340, 57592, 60855, 64791, 64912, 71990, 73026, 75120, 81140, 86388, 93311, 97368, 107985, 112680, 115184, 121710, 129582, 143980, 146052, 162280, 172776, 182565, 186622, 194736, 215970, 225360, 243420, 259164, 279933, 287960, 292104, 323955, 324560, 345552, 365130, 373244, 431940, 466555, 486840, 518328, 559866, 575920, 584208, 647910, 730260, 746488, 839799, 863880, 933110, 973680, 1036656, 1119732, 1269841, 1295820, 1399665, 1460520, 1492976, 1679598, 1727760, 1866220, 2239464, 2539682, 2591640, 2799330, 2921040, 3359196, 3732440, 3809523, 4198995, 4478928, 5079364, 5183280, 5598660, 6349205, 6718392, 7464880, 7619046, 8397990, 10158728, 11197320, 11428569, 12698410, 13436784, 15238092, 16795980, 19047615, 20317456, 22394640, 22857138, 25396820, 29206343, 30476184, 33591960, 38095230, 45714276, 50793640, 57142845, 58412686, 60952368, 67183920, 76190460, 87619029, 91428552, 101587280, 114285690, 116825372, 146031715, 152380920, 175238058, 182857104, 228571380, 233650744, 262857087, 292063430, 304761840, 350476116, 438095145, 457142760, 467301488, 525714174, 584126860, 700952232, 876190290, 914285520, 1051428348, 1168253720, 1314285435, 1401904464, 1752380580, 2102856696, 2336507440, 2628570870, 3504761160, 4205713392, 5257141740, 7009522320, 10514283480, 21028566960]

約数ペア:

[(1, 21028566960), (2, 10514283480), (3, 7009522320), (4, 5257141740), (5, 4205713392), (6, 3504761160), (8, 2628570870), (9, 2336507440), (10, 2102856696), (12, 1752380580), (15, 1401904464), (16, 1314285435), (18, 1168253720), (20, 1051428348), (23, 914285520), (24, 876190290), (30, 700952232), (36, 584126860), (40, 525714174), (45, 467301488), (46, 457142760), (48, 438095145), (60, 350476116), (69, 304761840), (72, 292063430), (80, 262857087), (90, 233650744), (92, 228571380), (115, 182857104), (120, 175238058), (138, 152380920), (144, 146031715), (180, 116825372), (184, 114285690), (207, 101587280), (230, 91428552), (240, 87619029), (276, 76190460), (313, 67183920), (345, 60952368), (360, 58412686), (368, 57142845), (414, 50793640), (460, 45714276), (552, 38095230), (626, 33591960), (690, 30476184), (720, 29206343), (828, 25396820), (920, 22857138), (939, 22394640), (1035, 20317456), (1104, 19047615), (1252, 16795980), (1380, 15238092), (1565, 13436784), (1656, 12698410), (1840, 11428569), (1878, 11197320), (2070, 10158728), (2504, 8397990), (2760, 7619046), (2817, 7464880), (3130, 6718392), (3312, 6349205), (3756, 5598660), (4057, 5183280), (4140, 5079364), (4695, 4478928), (5008, 4198995), (5520, 3809523), (5634, 3732440), (6260, 3359196), (7199, 2921040), (7512, 2799330), (8114, 2591640), (8280, 2539682), (9390, 2239464), (11268, 1866220), (12171, 1727760), (12520, 1679598), (14085, 1492976), (14398, 1460520), (15024, 1399665), (16228, 1295820), (16560, 1269841), (18780, 1119732), (20285, 1036656), (21597, 973680), (22536, 933110), (24342, 863880), (25040, 839799), (28170, 746488), (28796, 730260), (32456, 647910), (35995, 584208), (36513, 575920), (37560, 559866), (40570, 518328), (43194, 486840), (45072, 466555), (48684, 431940), (56340, 373244), (57592, 365130), (60855, 345552), (64791, 324560), (64912, 323955), (71990, 292104), (73026, 287960), (75120, 279933), (81140, 259164), (86388, 243420), (93311, 225360), (97368, 215970), (107985, 194736), (112680, 186622), (115184, 182565), (121710, 172776), (129582, 162280), (143980, 146052)]