21091490208

素因数分解:

$2^5\times 3^5\times {\mathrm{19}}^1\times {\mathrm{142757}}^1$

素因数の和:142801

約数の個数: 144

約数和(自身を含む): 65474529120

約数和(自身を除く): 44383038912

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 32, 36, 38, 48, 54, 57, 72, 76, 81, 96, 108, 114, 144, 152, 162, 171, 216, 228, 243, 288, 304, 324, 342, 432, 456, 486, 513, 608, 648, 684, 864, 912, 972, 1026, 1296, 1368, 1539, 1824, 1944, 2052, 2592, 2736, 3078, 3888, 4104, 4617, 5472, 6156, 7776, 8208, 9234, 12312, 16416, 18468, 24624, 36936, 49248, 73872, 142757, 147744, 285514, 428271, 571028, 856542, 1142056, 1284813, 1713084, 2284112, 2569626, 2712383, 3426168, 3854439, 4568224, 5139252, 5424766, 6852336, 7708878, 8137149, 10278504, 10849532, 11563317, 13704672, 15417756, 16274298, 20557008, 21699064, 23126634, 24411447, 30835512, 32548596, 34689951, 41114016, 43398128, 46253268, 48822894, 61671024, 65097192, 69379902, 73234341, 86796256, 92506536, 97645788, 123342048, 130194384, 138759804, 146468682, 185013072, 195291576, 219703023, 260388768, 277519608, 292937364, 370026144, 390583152, 439406046, 555039216, 585874728, 659109069, 781166304, 878812092, 1110078432, 1171749456, 1318218138, 1757624184, 2343498912, 2636436276, 3515248368, 5272872552, 7030496736, 10545745104, 21091490208]

約数ペア:

[(1, 21091490208), (2, 10545745104), (3, 7030496736), (4, 5272872552), (6, 3515248368), (8, 2636436276), (9, 2343498912), (12, 1757624184), (16, 1318218138), (18, 1171749456), (19, 1110078432), (24, 878812092), (27, 781166304), (32, 659109069), (36, 585874728), (38, 555039216), (48, 439406046), (54, 390583152), (57, 370026144), (72, 292937364), (76, 277519608), (81, 260388768), (96, 219703023), (108, 195291576), (114, 185013072), (144, 146468682), (152, 138759804), (162, 130194384), (171, 123342048), (216, 97645788), (228, 92506536), (243, 86796256), (288, 73234341), (304, 69379902), (324, 65097192), (342, 61671024), (432, 48822894), (456, 46253268), (486, 43398128), (513, 41114016), (608, 34689951), (648, 32548596), (684, 30835512), (864, 24411447), (912, 23126634), (972, 21699064), (1026, 20557008), (1296, 16274298), (1368, 15417756), (1539, 13704672), (1824, 11563317), (1944, 10849532), (2052, 10278504), (2592, 8137149), (2736, 7708878), (3078, 6852336), (3888, 5424766), (4104, 5139252), (4617, 4568224), (5472, 3854439), (6156, 3426168), (7776, 2712383), (8208, 2569626), (9234, 2284112), (12312, 1713084), (16416, 1284813), (18468, 1142056), (24624, 856542), (36936, 571028), (49248, 428271), (73872, 285514), (142757, 147744)]