21038961456

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{2591}}^1$

素因数の和:2760

約数の個数: 240

約数和(自身を含む): 64980983808

約数和(自身を除く): 43942022352

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 31, 34, 36, 48, 51, 62, 68, 72, 93, 102, 107, 124, 136, 144, 153, 186, 204, 214, 248, 272, 279, 306, 321, 372, 408, 428, 496, 527, 558, 612, 642, 744, 816, 856, 963, 1054, 1116, 1224, 1284, 1488, 1581, 1712, 1819, 1926, 2108, 2232, 2448, 2568, 2591, 3162, 3317, 3638, 3852, 4216, 4464, 4743, 5136, 5182, 5457, 6324, 6634, 7276, 7704, 7773, 8432, 9486, 9951, 10364, 10914, 12648, 13268, 14552, 15408, 15546, 16371, 18972, 19902, 20728, 21828, 23319, 25296, 26536, 29104, 29853, 31092, 32742, 37944, 39804, 41456, 43656, 44047, 46638, 53072, 56389, 59706, 62184, 65484, 75888, 79608, 80321, 87312, 88094, 93276, 112778, 119412, 124368, 130968, 132141, 159216, 160642, 169167, 176188, 186552, 225556, 238824, 240963, 261936, 264282, 277237, 321284, 338334, 352376, 373104, 396423, 451112, 477648, 481926, 507501, 528564, 554474, 642568, 676668, 704752, 722889, 792846, 831711, 902224, 963852, 1015002, 1057128, 1108948, 1285136, 1353336, 1365457, 1445778, 1585692, 1663422, 1927704, 2030004, 2114256, 2217896, 2495133, 2706672, 2730914, 2891556, 3171384, 3326844, 3855408, 4060008, 4096371, 4435792, 4713029, 4990266, 5461828, 5783112, 6342768, 6653688, 8120016, 8192742, 8594347, 9426058, 9980532, 10923656, 11566224, 12289113, 13307376, 14139087, 16385484, 17188694, 18852116, 19961064, 21847312, 24578226, 25783041, 28278174, 32770968, 34377388, 37704232, 39922128, 42417261, 49156452, 51566082, 56556348, 65541936, 68754776, 75408464, 77349123, 84834522, 98312904, 103132164, 113112696, 137509552, 146103899, 154698246, 169669044, 196625808, 206264328, 226225392, 292207798, 309396492, 339338088, 412528656, 438311697, 584415596, 618792984, 678676176, 876623394, 1168831192, 1237585968, 1314935091, 1753246788, 2337662384, 2629870182, 3506493576, 5259740364, 7012987152, 10519480728, 21038961456]

約数ペア:

[(1, 21038961456), (2, 10519480728), (3, 7012987152), (4, 5259740364), (6, 3506493576), (8, 2629870182), (9, 2337662384), (12, 1753246788), (16, 1314935091), (17, 1237585968), (18, 1168831192), (24, 876623394), (31, 678676176), (34, 618792984), (36, 584415596), (48, 438311697), (51, 412528656), (62, 339338088), (68, 309396492), (72, 292207798), (93, 226225392), (102, 206264328), (107, 196625808), (124, 169669044), (136, 154698246), (144, 146103899), (153, 137509552), (186, 113112696), (204, 103132164), (214, 98312904), (248, 84834522), (272, 77349123), (279, 75408464), (306, 68754776), (321, 65541936), (372, 56556348), (408, 51566082), (428, 49156452), (496, 42417261), (527, 39922128), (558, 37704232), (612, 34377388), (642, 32770968), (744, 28278174), (816, 25783041), (856, 24578226), (963, 21847312), (1054, 19961064), (1116, 18852116), (1224, 17188694), (1284, 16385484), (1488, 14139087), (1581, 13307376), (1712, 12289113), (1819, 11566224), (1926, 10923656), (2108, 9980532), (2232, 9426058), (2448, 8594347), (2568, 8192742), (2591, 8120016), (3162, 6653688), (3317, 6342768), (3638, 5783112), (3852, 5461828), (4216, 4990266), (4464, 4713029), (4743, 4435792), (5136, 4096371), (5182, 4060008), (5457, 3855408), (6324, 3326844), (6634, 3171384), (7276, 2891556), (7704, 2730914), (7773, 2706672), (8432, 2495133), (9486, 2217896), (9951, 2114256), (10364, 2030004), (10914, 1927704), (12648, 1663422), (13268, 1585692), (14552, 1445778), (15408, 1365457), (15546, 1353336), (16371, 1285136), (18972, 1108948), (19902, 1057128), (20728, 1015002), (21828, 963852), (23319, 902224), (25296, 831711), (26536, 792846), (29104, 722889), (29853, 704752), (31092, 676668), (32742, 642568), (37944, 554474), (39804, 528564), (41456, 507501), (43656, 481926), (44047, 477648), (46638, 451112), (53072, 396423), (56389, 373104), (59706, 352376), (62184, 338334), (65484, 321284), (75888, 277237), (79608, 264282), (80321, 261936), (87312, 240963), (88094, 238824), (93276, 225556), (112778, 186552), (119412, 176188), (124368, 169167), (130968, 160642), (132141, 159216)]