21020804736

素因数分解:

$2^7\times 3^1\times {\mathrm{19}}^3\times {\mathrm{23}}^1\times {\mathrm{347}}^1$

素因数の和:444

約数の個数: 256

約数和(自身を含む): 61677849600

約数和(自身を除く): 40657044864

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 23, 24, 32, 38, 46, 48, 57, 64, 69, 76, 92, 96, 114, 128, 138, 152, 184, 192, 228, 276, 304, 347, 361, 368, 384, 437, 456, 552, 608, 694, 722, 736, 874, 912, 1041, 1083, 1104, 1216, 1311, 1388, 1444, 1472, 1748, 1824, 2082, 2166, 2208, 2432, 2622, 2776, 2888, 2944, 3496, 3648, 4164, 4332, 4416, 5244, 5552, 5776, 6593, 6859, 6992, 7296, 7981, 8303, 8328, 8664, 8832, 10488, 11104, 11552, 13186, 13718, 13984, 15962, 16606, 16656, 17328, 19779, 20577, 20976, 22208, 23104, 23943, 24909, 26372, 27436, 27968, 31924, 33212, 33312, 34656, 39558, 41154, 41952, 44416, 46208, 47886, 49818, 52744, 54872, 55936, 63848, 66424, 66624, 69312, 79116, 82308, 83904, 95772, 99636, 105488, 109744, 125267, 127696, 132848, 133248, 138624, 151639, 157757, 158232, 164616, 167808, 191544, 199272, 210976, 219488, 250534, 255392, 265696, 303278, 315514, 316464, 329232, 375801, 383088, 398544, 421952, 438976, 454917, 473271, 501068, 510784, 531392, 606556, 631028, 632928, 658464, 751602, 766176, 797088, 843904, 877952, 909834, 946542, 1002136, 1021568, 1062784, 1213112, 1262056, 1265856, 1316928, 1503204, 1532352, 1594176, 1819668, 1893084, 2004272, 2380073, 2426224, 2524112, 2531712, 2633856, 2881141, 3006408, 3064704, 3188352, 3639336, 3786168, 4008544, 4760146, 4852448, 5048224, 5762282, 6012816, 7140219, 7278672, 7572336, 8017088, 8643423, 9520292, 9704896, 10096448, 11524564, 12025632, 14280438, 14557344, 15144672, 16034176, 17286846, 19040584, 19409792, 20192896, 23049128, 24051264, 28560876, 29114688, 30289344, 34573692, 38081168, 46098256, 48102528, 54741679, 57121752, 58229376, 60578688, 69147384, 76162336, 92196512, 109483358, 114243504, 138294768, 152324672, 164225037, 184393024, 218966716, 228487008, 276589536, 304649344, 328450074, 368786048, 437933432, 456974016, 553179072, 656900148, 875866864, 913948032, 1106358144, 1313800296, 1751733728, 2627600592, 3503467456, 5255201184, 7006934912, 10510402368, 21020804736]

約数ペア:

[(1, 21020804736), (2, 10510402368), (3, 7006934912), (4, 5255201184), (6, 3503467456), (8, 2627600592), (12, 1751733728), (16, 1313800296), (19, 1106358144), (23, 913948032), (24, 875866864), (32, 656900148), (38, 553179072), (46, 456974016), (48, 437933432), (57, 368786048), (64, 328450074), (69, 304649344), (76, 276589536), (92, 228487008), (96, 218966716), (114, 184393024), (128, 164225037), (138, 152324672), (152, 138294768), (184, 114243504), (192, 109483358), (228, 92196512), (276, 76162336), (304, 69147384), (347, 60578688), (361, 58229376), (368, 57121752), (384, 54741679), (437, 48102528), (456, 46098256), (552, 38081168), (608, 34573692), (694, 30289344), (722, 29114688), (736, 28560876), (874, 24051264), (912, 23049128), (1041, 20192896), (1083, 19409792), (1104, 19040584), (1216, 17286846), (1311, 16034176), (1388, 15144672), (1444, 14557344), (1472, 14280438), (1748, 12025632), (1824, 11524564), (2082, 10096448), (2166, 9704896), (2208, 9520292), (2432, 8643423), (2622, 8017088), (2776, 7572336), (2888, 7278672), (2944, 7140219), (3496, 6012816), (3648, 5762282), (4164, 5048224), (4332, 4852448), (4416, 4760146), (5244, 4008544), (5552, 3786168), (5776, 3639336), (6593, 3188352), (6859, 3064704), (6992, 3006408), (7296, 2881141), (7981, 2633856), (8303, 2531712), (8328, 2524112), (8664, 2426224), (8832, 2380073), (10488, 2004272), (11104, 1893084), (11552, 1819668), (13186, 1594176), (13718, 1532352), (13984, 1503204), (15962, 1316928), (16606, 1265856), (16656, 1262056), (17328, 1213112), (19779, 1062784), (20577, 1021568), (20976, 1002136), (22208, 946542), (23104, 909834), (23943, 877952), (24909, 843904), (26372, 797088), (27436, 766176), (27968, 751602), (31924, 658464), (33212, 632928), (33312, 631028), (34656, 606556), (39558, 531392), (41154, 510784), (41952, 501068), (44416, 473271), (46208, 454917), (47886, 438976), (49818, 421952), (52744, 398544), (54872, 383088), (55936, 375801), (63848, 329232), (66424, 316464), (66624, 315514), (69312, 303278), (79116, 265696), (82308, 255392), (83904, 250534), (95772, 219488), (99636, 210976), (105488, 199272), (109744, 191544), (125267, 167808), (127696, 164616), (132848, 158232), (133248, 157757), (138624, 151639)]