21000879816

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{30319}}^1$

素因数の和:30392

約数の個数: 192

約数和(自身を含む): 66364416000

約数和(自身を除く): 45363536184

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 31, 38, 42, 49, 56, 57, 62, 76, 84, 93, 98, 114, 124, 133, 147, 152, 168, 186, 196, 217, 228, 248, 266, 294, 372, 392, 399, 434, 456, 532, 588, 589, 651, 744, 798, 868, 931, 1064, 1176, 1178, 1302, 1519, 1596, 1736, 1767, 1862, 2356, 2604, 2793, 3038, 3192, 3534, 3724, 4123, 4557, 4712, 5208, 5586, 6076, 7068, 7448, 8246, 9114, 11172, 12152, 12369, 14136, 16492, 18228, 22344, 24738, 28861, 30319, 32984, 36456, 49476, 57722, 60638, 86583, 90957, 98952, 115444, 121276, 173166, 181914, 212233, 230888, 242552, 346332, 363828, 424466, 576061, 636699, 692664, 727656, 848932, 939889, 1152122, 1273398, 1485631, 1697864, 1728183, 1879778, 2304244, 2546796, 2819667, 2971262, 3456366, 3759556, 4032427, 4456893, 4608488, 5093592, 5639334, 5942524, 6579223, 6912732, 7519112, 8064854, 8913786, 11278668, 11885048, 12097281, 13158446, 13825464, 16129708, 17827572, 17857891, 19737669, 22557336, 24194562, 26316892, 28226989, 32259416, 35655144, 35715782, 39475338, 46054561, 48389124, 52633784, 53573673, 56453978, 71431564, 78950676, 84680967, 92109122, 96778248, 107147346, 112907956, 125005237, 138163683, 142863128, 157901352, 169361934, 184218244, 214294692, 225815912, 250010474, 276327366, 338723868, 368436488, 375015711, 428589384, 500020948, 552654732, 677447736, 750031422, 875036659, 1000041896, 1105309464, 1500062844, 1750073318, 2625109977, 3000125688, 3500146636, 5250219954, 7000293272, 10500439908, 21000879816]

約数ペア:

[(1, 21000879816), (2, 10500439908), (3, 7000293272), (4, 5250219954), (6, 3500146636), (7, 3000125688), (8, 2625109977), (12, 1750073318), (14, 1500062844), (19, 1105309464), (21, 1000041896), (24, 875036659), (28, 750031422), (31, 677447736), (38, 552654732), (42, 500020948), (49, 428589384), (56, 375015711), (57, 368436488), (62, 338723868), (76, 276327366), (84, 250010474), (93, 225815912), (98, 214294692), (114, 184218244), (124, 169361934), (133, 157901352), (147, 142863128), (152, 138163683), (168, 125005237), (186, 112907956), (196, 107147346), (217, 96778248), (228, 92109122), (248, 84680967), (266, 78950676), (294, 71431564), (372, 56453978), (392, 53573673), (399, 52633784), (434, 48389124), (456, 46054561), (532, 39475338), (588, 35715782), (589, 35655144), (651, 32259416), (744, 28226989), (798, 26316892), (868, 24194562), (931, 22557336), (1064, 19737669), (1176, 17857891), (1178, 17827572), (1302, 16129708), (1519, 13825464), (1596, 13158446), (1736, 12097281), (1767, 11885048), (1862, 11278668), (2356, 8913786), (2604, 8064854), (2793, 7519112), (3038, 6912732), (3192, 6579223), (3534, 5942524), (3724, 5639334), (4123, 5093592), (4557, 4608488), (4712, 4456893), (5208, 4032427), (5586, 3759556), (6076, 3456366), (7068, 2971262), (7448, 2819667), (8246, 2546796), (9114, 2304244), (11172, 1879778), (12152, 1728183), (12369, 1697864), (14136, 1485631), (16492, 1273398), (18228, 1152122), (22344, 939889), (24738, 848932), (28861, 727656), (30319, 692664), (32984, 636699), (36456, 576061), (49476, 424466), (57722, 363828), (60638, 346332), (86583, 242552), (90957, 230888), (98952, 212233), (115444, 181914), (121276, 173166)]