21204288

素因数分解:

$2^6\times 3^3\times 7^1\times {\mathrm{1753}}^1$

素因数の和:1781

約数の個数: 112

約数和(自身を含む): 71282560

約数和(自身を除く): 50078272

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 64, 72, 84, 96, 108, 112, 126, 144, 168, 189, 192, 216, 224, 252, 288, 336, 378, 432, 448, 504, 576, 672, 756, 864, 1008, 1344, 1512, 1728, 1753, 2016, 3024, 3506, 4032, 5259, 6048, 7012, 10518, 12096, 12271, 14024, 15777, 21036, 24542, 28048, 31554, 36813, 42072, 47331, 49084, 56096, 63108, 73626, 84144, 94662, 98168, 110439, 112192, 126216, 147252, 168288, 189324, 196336, 220878, 252432, 294504, 331317, 336576, 378648, 392672, 441756, 504864, 589008, 662634, 757296, 785344, 883512, 1009728, 1178016, 1325268, 1514592, 1767024, 2356032, 2650536, 3029184, 3534048, 5301072, 7068096, 10602144, 21204288]

約数ペア:

[(1, 21204288), (2, 10602144), (3, 7068096), (4, 5301072), (6, 3534048), (7, 3029184), (8, 2650536), (9, 2356032), (12, 1767024), (14, 1514592), (16, 1325268), (18, 1178016), (21, 1009728), (24, 883512), (27, 785344), (28, 757296), (32, 662634), (36, 589008), (42, 504864), (48, 441756), (54, 392672), (56, 378648), (63, 336576), (64, 331317), (72, 294504), (84, 252432), (96, 220878), (108, 196336), (112, 189324), (126, 168288), (144, 147252), (168, 126216), (189, 112192), (192, 110439), (216, 98168), (224, 94662), (252, 84144), (288, 73626), (336, 63108), (378, 56096), (432, 49084), (448, 47331), (504, 42072), (576, 36813), (672, 31554), (756, 28048), (864, 24542), (1008, 21036), (1344, 15777), (1512, 14024), (1728, 12271), (1753, 12096), (2016, 10518), (3024, 7012), (3506, 6048), (4032, 5259)]