21137256

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2467}}^1$

素因数の和:2503

約数の個数: 96

約数和(自身を含む): 69301440

約数和(自身を除く): 48164184

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 17, 18, 21, 24, 28, 34, 36, 42, 51, 56, 63, 68, 72, 84, 102, 119, 126, 136, 153, 168, 204, 238, 252, 306, 357, 408, 476, 504, 612, 714, 952, 1071, 1224, 1428, 2142, 2467, 2856, 4284, 4934, 7401, 8568, 9868, 14802, 17269, 19736, 22203, 29604, 34538, 41939, 44406, 51807, 59208, 69076, 83878, 88812, 103614, 125817, 138152, 155421, 167756, 177624, 207228, 251634, 293573, 310842, 335512, 377451, 414456, 503268, 587146, 621684, 754902, 880719, 1006536, 1174292, 1243368, 1509804, 1761438, 2348584, 2642157, 3019608, 3522876, 5284314, 7045752, 10568628, 21137256]

約数ペア:

[(1, 21137256), (2, 10568628), (3, 7045752), (4, 5284314), (6, 3522876), (7, 3019608), (8, 2642157), (9, 2348584), (12, 1761438), (14, 1509804), (17, 1243368), (18, 1174292), (21, 1006536), (24, 880719), (28, 754902), (34, 621684), (36, 587146), (42, 503268), (51, 414456), (56, 377451), (63, 335512), (68, 310842), (72, 293573), (84, 251634), (102, 207228), (119, 177624), (126, 167756), (136, 155421), (153, 138152), (168, 125817), (204, 103614), (238, 88812), (252, 83878), (306, 69076), (357, 59208), (408, 51807), (476, 44406), (504, 41939), (612, 34538), (714, 29604), (952, 22203), (1071, 19736), (1224, 17269), (1428, 14802), (2142, 9868), (2467, 8568), (2856, 7401), (4284, 4934)]