21893256

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{359}}^1$

素因数の和:400

約数の個数: 144

約数和(自身を含む): 74692800

約数和(自身を除く): 52799544

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 18, 21, 22, 24, 28, 33, 36, 42, 44, 56, 63, 66, 72, 77, 84, 88, 99, 121, 126, 132, 154, 168, 198, 231, 242, 252, 264, 308, 359, 363, 396, 462, 484, 504, 616, 693, 718, 726, 792, 847, 924, 968, 1077, 1089, 1386, 1436, 1452, 1694, 1848, 2154, 2178, 2513, 2541, 2772, 2872, 2904, 3231, 3388, 3949, 4308, 4356, 5026, 5082, 5544, 6462, 6776, 7539, 7623, 7898, 8616, 8712, 10052, 10164, 11847, 12924, 15078, 15246, 15796, 20104, 20328, 22617, 23694, 25848, 27643, 30156, 30492, 31592, 35541, 43439, 45234, 47388, 55286, 60312, 60984, 71082, 82929, 86878, 90468, 94776, 110572, 130317, 142164, 165858, 173756, 180936, 221144, 248787, 260634, 284328, 304073, 331716, 347512, 390951, 497574, 521268, 608146, 663432, 781902, 912219, 995148, 1042536, 1216292, 1563804, 1824438, 1990296, 2432584, 2736657, 3127608, 3648876, 5473314, 7297752, 10946628, 21893256]

約数ペア:

[(1, 21893256), (2, 10946628), (3, 7297752), (4, 5473314), (6, 3648876), (7, 3127608), (8, 2736657), (9, 2432584), (11, 1990296), (12, 1824438), (14, 1563804), (18, 1216292), (21, 1042536), (22, 995148), (24, 912219), (28, 781902), (33, 663432), (36, 608146), (42, 521268), (44, 497574), (56, 390951), (63, 347512), (66, 331716), (72, 304073), (77, 284328), (84, 260634), (88, 248787), (99, 221144), (121, 180936), (126, 173756), (132, 165858), (154, 142164), (168, 130317), (198, 110572), (231, 94776), (242, 90468), (252, 86878), (264, 82929), (308, 71082), (359, 60984), (363, 60312), (396, 55286), (462, 47388), (484, 45234), (504, 43439), (616, 35541), (693, 31592), (718, 30492), (726, 30156), (792, 27643), (847, 25848), (924, 23694), (968, 22617), (1077, 20328), (1089, 20104), (1386, 15796), (1436, 15246), (1452, 15078), (1694, 12924), (1848, 11847), (2154, 10164), (2178, 10052), (2513, 8712), (2541, 8616), (2772, 7898), (2872, 7623), (2904, 7539), (3231, 6776), (3388, 6462), (3949, 5544), (4308, 5082), (4356, 5026)]