21355128

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1$

素因数の和:341

約数の個数: 96

約数和(自身を含む): 62337600

約数和(自身を除く): 40982472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 34, 36, 51, 68, 72, 73, 102, 136, 146, 153, 204, 219, 239, 292, 306, 408, 438, 478, 584, 612, 657, 717, 876, 956, 1224, 1241, 1314, 1434, 1752, 1912, 2151, 2482, 2628, 2868, 3723, 4063, 4302, 4964, 5256, 5736, 7446, 8126, 8604, 9928, 11169, 12189, 14892, 16252, 17208, 17447, 22338, 24378, 29784, 32504, 34894, 36567, 44676, 48756, 52341, 69788, 73134, 89352, 97512, 104682, 139576, 146268, 157023, 209364, 292536, 296599, 314046, 418728, 593198, 628092, 889797, 1186396, 1256184, 1779594, 2372792, 2669391, 3559188, 5338782, 7118376, 10677564, 21355128]

約数ペア:

[(1, 21355128), (2, 10677564), (3, 7118376), (4, 5338782), (6, 3559188), (8, 2669391), (9, 2372792), (12, 1779594), (17, 1256184), (18, 1186396), (24, 889797), (34, 628092), (36, 593198), (51, 418728), (68, 314046), (72, 296599), (73, 292536), (102, 209364), (136, 157023), (146, 146268), (153, 139576), (204, 104682), (219, 97512), (239, 89352), (292, 73134), (306, 69788), (408, 52341), (438, 48756), (478, 44676), (584, 36567), (612, 34894), (657, 32504), (717, 29784), (876, 24378), (956, 22338), (1224, 17447), (1241, 17208), (1314, 16252), (1434, 14892), (1752, 12189), (1912, 11169), (2151, 9928), (2482, 8604), (2628, 8126), (2868, 7446), (3723, 5736), (4063, 5256), (4302, 4964)]