21810048

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1$

素因数の和:304

約数の個数: 128

約数和(自身を含む): 66316320

約数和(自身を除く): 44506272

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 17, 24, 26, 32, 34, 39, 48, 51, 52, 64, 68, 78, 96, 102, 104, 128, 136, 156, 192, 204, 208, 221, 257, 272, 312, 384, 408, 416, 442, 514, 544, 624, 663, 771, 816, 832, 884, 1028, 1088, 1248, 1326, 1542, 1632, 1664, 1768, 2056, 2176, 2496, 2652, 3084, 3264, 3341, 3536, 4112, 4369, 4992, 5304, 6168, 6528, 6682, 7072, 8224, 8738, 10023, 10608, 12336, 13107, 13364, 14144, 16448, 17476, 20046, 21216, 24672, 26214, 26728, 28288, 32896, 34952, 40092, 42432, 49344, 52428, 53456, 56797, 69904, 80184, 84864, 98688, 104856, 106912, 113594, 139808, 160368, 170391, 209712, 213824, 227188, 279616, 320736, 340782, 419424, 427648, 454376, 559232, 641472, 681564, 838848, 908752, 1282944, 1363128, 1677696, 1817504, 2726256, 3635008, 5452512, 7270016, 10905024, 21810048]

約数ペア:

[(1, 21810048), (2, 10905024), (3, 7270016), (4, 5452512), (6, 3635008), (8, 2726256), (12, 1817504), (13, 1677696), (16, 1363128), (17, 1282944), (24, 908752), (26, 838848), (32, 681564), (34, 641472), (39, 559232), (48, 454376), (51, 427648), (52, 419424), (64, 340782), (68, 320736), (78, 279616), (96, 227188), (102, 213824), (104, 209712), (128, 170391), (136, 160368), (156, 139808), (192, 113594), (204, 106912), (208, 104856), (221, 98688), (257, 84864), (272, 80184), (312, 69904), (384, 56797), (408, 53456), (416, 52428), (442, 49344), (514, 42432), (544, 40092), (624, 34952), (663, 32896), (771, 28288), (816, 26728), (832, 26214), (884, 24672), (1028, 21216), (1088, 20046), (1248, 17476), (1326, 16448), (1542, 14144), (1632, 13364), (1664, 13107), (1768, 12336), (2056, 10608), (2176, 10023), (2496, 8738), (2652, 8224), (3084, 7072), (3264, 6682), (3341, 6528), (3536, 6168), (4112, 5304), (4369, 4992)]