21191282208

素因数分解:

$2^5\times 3^4\times {\mathrm{23}}^1\times {\mathrm{355463}}^1$

素因数の和:355508

約数の個数: 120

約数和(自身を含む): 65032849728

約数和(自身を除く): 43841567520

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 32, 36, 46, 48, 54, 69, 72, 81, 92, 96, 108, 138, 144, 162, 184, 207, 216, 276, 288, 324, 368, 414, 432, 552, 621, 648, 736, 828, 864, 1104, 1242, 1296, 1656, 1863, 2208, 2484, 2592, 3312, 3726, 4968, 6624, 7452, 9936, 14904, 19872, 29808, 59616, 355463, 710926, 1066389, 1421852, 2132778, 2843704, 3199167, 4265556, 5687408, 6398334, 8175649, 8531112, 9597501, 11374816, 12796668, 16351298, 17062224, 19195002, 24526947, 25593336, 28792503, 32702596, 34124448, 38390004, 49053894, 51186672, 57585006, 65405192, 73580841, 76780008, 98107788, 102373344, 115170012, 130810384, 147161682, 153560016, 196215576, 220742523, 230340024, 261620768, 294323364, 307120032, 392431152, 441485046, 460680048, 588646728, 662227569, 784862304, 882970092, 921360096, 1177293456, 1324455138, 1765940184, 2354586912, 2648910276, 3531880368, 5297820552, 7063760736, 10595641104, 21191282208]

約数ペア:

[(1, 21191282208), (2, 10595641104), (3, 7063760736), (4, 5297820552), (6, 3531880368), (8, 2648910276), (9, 2354586912), (12, 1765940184), (16, 1324455138), (18, 1177293456), (23, 921360096), (24, 882970092), (27, 784862304), (32, 662227569), (36, 588646728), (46, 460680048), (48, 441485046), (54, 392431152), (69, 307120032), (72, 294323364), (81, 261620768), (92, 230340024), (96, 220742523), (108, 196215576), (138, 153560016), (144, 147161682), (162, 130810384), (184, 115170012), (207, 102373344), (216, 98107788), (276, 76780008), (288, 73580841), (324, 65405192), (368, 57585006), (414, 51186672), (432, 49053894), (552, 38390004), (621, 34124448), (648, 32702596), (736, 28792503), (828, 25593336), (864, 24526947), (1104, 19195002), (1242, 17062224), (1296, 16351298), (1656, 12796668), (1863, 11374816), (2208, 9597501), (2484, 8531112), (2592, 8175649), (3312, 6398334), (3726, 5687408), (4968, 4265556), (6624, 3199167), (7452, 2843704), (9936, 2132778), (14904, 1421852), (19872, 1066389), (29808, 710926), (59616, 355463)]