21000658176

素因数分解:

$2^8\times 3^2\times {\mathrm{577}}^1\times {\mathrm{15797}}^1$

素因数の和:16396

約数の個数: 108

約数和(自身を含む): 60658853892

約数和(自身を除く): 39658195716

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 256, 288, 384, 576, 577, 768, 1152, 1154, 1731, 2304, 2308, 3462, 4616, 5193, 6924, 9232, 10386, 13848, 15797, 18464, 20772, 27696, 31594, 36928, 41544, 47391, 55392, 63188, 73856, 83088, 94782, 110784, 126376, 142173, 147712, 166176, 189564, 221568, 252752, 284346, 332352, 379128, 443136, 505504, 568692, 664704, 758256, 1011008, 1137384, 1329408, 1516512, 2022016, 2274768, 3033024, 4044032, 4549536, 6066048, 9099072, 9114869, 12132096, 18198144, 18229738, 27344607, 36396288, 36459476, 54689214, 72918952, 82033821, 109378428, 145837904, 164067642, 218756856, 291675808, 328135284, 437513712, 583351616, 656270568, 875027424, 1166703232, 1312541136, 1750054848, 2333406464, 2625082272, 3500109696, 5250164544, 7000219392, 10500329088, 21000658176]

約数ペア:

[(1, 21000658176), (2, 10500329088), (3, 7000219392), (4, 5250164544), (6, 3500109696), (8, 2625082272), (9, 2333406464), (12, 1750054848), (16, 1312541136), (18, 1166703232), (24, 875027424), (32, 656270568), (36, 583351616), (48, 437513712), (64, 328135284), (72, 291675808), (96, 218756856), (128, 164067642), (144, 145837904), (192, 109378428), (256, 82033821), (288, 72918952), (384, 54689214), (576, 36459476), (577, 36396288), (768, 27344607), (1152, 18229738), (1154, 18198144), (1731, 12132096), (2304, 9114869), (2308, 9099072), (3462, 6066048), (4616, 4549536), (5193, 4044032), (6924, 3033024), (9232, 2274768), (10386, 2022016), (13848, 1516512), (15797, 1329408), (18464, 1137384), (20772, 1011008), (27696, 758256), (31594, 664704), (36928, 568692), (41544, 505504), (47391, 443136), (55392, 379128), (63188, 332352), (73856, 284346), (83088, 252752), (94782, 221568), (110784, 189564), (126376, 166176), (142173, 147712)]