21282912

素因数分解:

$2^5\times 3^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1$

素因数の和:72

約数の個数: 288

約数和(自身を含む): 79252992

約数和(自身を除く): 57970080

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 17, 18, 21, 23, 24, 27, 28, 32, 34, 36, 42, 46, 48, 51, 54, 56, 63, 68, 69, 72, 81, 84, 92, 96, 102, 108, 112, 119, 126, 136, 138, 144, 153, 161, 162, 168, 184, 189, 204, 207, 216, 224, 238, 243, 252, 272, 276, 288, 306, 322, 324, 336, 357, 368, 378, 391, 408, 414, 432, 459, 476, 483, 486, 504, 544, 552, 567, 612, 621, 644, 648, 672, 714, 736, 756, 782, 816, 828, 864, 918, 952, 966, 972, 1008, 1071, 1104, 1134, 1173, 1224, 1242, 1288, 1296, 1377, 1428, 1449, 1512, 1564, 1632, 1656, 1701, 1836, 1863, 1904, 1932, 1944, 2016, 2142, 2208, 2268, 2346, 2448, 2484, 2576, 2592, 2737, 2754, 2856, 2898, 3024, 3128, 3213, 3312, 3402, 3519, 3672, 3726, 3808, 3864, 3888, 4131, 4284, 4347, 4536, 4692, 4896, 4968, 5152, 5474, 5508, 5589, 5712, 5796, 6048, 6256, 6426, 6624, 6804, 7038, 7344, 7452, 7728, 7776, 8211, 8262, 8568, 8694, 9072, 9384, 9639, 9936, 10557, 10948, 11016, 11178, 11424, 11592, 12512, 12852, 13041, 13608, 14076, 14688, 14904, 15456, 16422, 16524, 17136, 17388, 18144, 18768, 19278, 19872, 21114, 21896, 22032, 22356, 23184, 24633, 25704, 26082, 27216, 28152, 28917, 29808, 31671, 32844, 33048, 34272, 34776, 37536, 38556, 39123, 42228, 43792, 44064, 44712, 46368, 49266, 51408, 52164, 54432, 56304, 57834, 59616, 63342, 65688, 66096, 69552, 73899, 77112, 78246, 84456, 87584, 89424, 95013, 98532, 102816, 104328, 112608, 115668, 126684, 131376, 132192, 139104, 147798, 154224, 156492, 168912, 178848, 190026, 197064, 208656, 221697, 231336, 253368, 262752, 295596, 308448, 312984, 337824, 380052, 394128, 417312, 443394, 462672, 506736, 591192, 625968, 665091, 760104, 788256, 886788, 925344, 1013472, 1182384, 1251936, 1330182, 1520208, 1773576, 2364768, 2660364, 3040416, 3547152, 5320728, 7094304, 10641456, 21282912]

約数ペア:

[(1, 21282912), (2, 10641456), (3, 7094304), (4, 5320728), (6, 3547152), (7, 3040416), (8, 2660364), (9, 2364768), (12, 1773576), (14, 1520208), (16, 1330182), (17, 1251936), (18, 1182384), (21, 1013472), (23, 925344), (24, 886788), (27, 788256), (28, 760104), (32, 665091), (34, 625968), (36, 591192), (42, 506736), (46, 462672), (48, 443394), (51, 417312), (54, 394128), (56, 380052), (63, 337824), (68, 312984), (69, 308448), (72, 295596), (81, 262752), (84, 253368), (92, 231336), (96, 221697), (102, 208656), (108, 197064), (112, 190026), (119, 178848), (126, 168912), (136, 156492), (138, 154224), (144, 147798), (153, 139104), (161, 132192), (162, 131376), (168, 126684), (184, 115668), (189, 112608), (204, 104328), (207, 102816), (216, 98532), (224, 95013), (238, 89424), (243, 87584), (252, 84456), (272, 78246), (276, 77112), (288, 73899), (306, 69552), (322, 66096), (324, 65688), (336, 63342), (357, 59616), (368, 57834), (378, 56304), (391, 54432), (408, 52164), (414, 51408), (432, 49266), (459, 46368), (476, 44712), (483, 44064), (486, 43792), (504, 42228), (544, 39123), (552, 38556), (567, 37536), (612, 34776), (621, 34272), (644, 33048), (648, 32844), (672, 31671), (714, 29808), (736, 28917), (756, 28152), (782, 27216), (816, 26082), (828, 25704), (864, 24633), (918, 23184), (952, 22356), (966, 22032), (972, 21896), (1008, 21114), (1071, 19872), (1104, 19278), (1134, 18768), (1173, 18144), (1224, 17388), (1242, 17136), (1288, 16524), (1296, 16422), (1377, 15456), (1428, 14904), (1449, 14688), (1512, 14076), (1564, 13608), (1632, 13041), (1656, 12852), (1701, 12512), (1836, 11592), (1863, 11424), (1904, 11178), (1932, 11016), (1944, 10948), (2016, 10557), (2142, 9936), (2208, 9639), (2268, 9384), (2346, 9072), (2448, 8694), (2484, 8568), (2576, 8262), (2592, 8211), (2737, 7776), (2754, 7728), (2856, 7452), (2898, 7344), (3024, 7038), (3128, 6804), (3213, 6624), (3312, 6426), (3402, 6256), (3519, 6048), (3672, 5796), (3726, 5712), (3808, 5589), (3864, 5508), (3888, 5474), (4131, 5152), (4284, 4968), (4347, 4896), (4536, 4692)]