21469266

素因数分解:

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

素因数の和:305

約数の個数: 128

約数和(自身を含む): 62415360

約数和(自身を除く): 40946094

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 17, 18, 21, 26, 27, 34, 39, 42, 51, 54, 63, 78, 91, 102, 117, 119, 126, 153, 182, 189, 221, 234, 238, 257, 273, 306, 351, 357, 378, 442, 459, 514, 546, 663, 702, 714, 771, 819, 918, 1071, 1326, 1542, 1547, 1638, 1799, 1989, 2142, 2313, 2457, 3094, 3213, 3341, 3598, 3978, 4369, 4626, 4641, 4914, 5397, 5967, 6426, 6682, 6939, 8738, 9282, 10023, 10794, 11934, 13107, 13878, 13923, 16191, 20046, 23387, 26214, 27846, 30069, 30583, 32382, 39321, 41769, 46774, 48573, 56797, 60138, 61166, 70161, 78642, 83538, 90207, 91749, 97146, 113594, 117963, 140322, 170391, 180414, 183498, 210483, 235926, 275247, 340782, 397579, 420966, 511173, 550494, 631449, 795158, 825741, 1022346, 1192737, 1262898, 1533519, 1651482, 2385474, 3067038, 3578211, 7156422, 10734633, 21469266]

約数ペア:

[(1, 21469266), (2, 10734633), (3, 7156422), (6, 3578211), (7, 3067038), (9, 2385474), (13, 1651482), (14, 1533519), (17, 1262898), (18, 1192737), (21, 1022346), (26, 825741), (27, 795158), (34, 631449), (39, 550494), (42, 511173), (51, 420966), (54, 397579), (63, 340782), (78, 275247), (91, 235926), (102, 210483), (117, 183498), (119, 180414), (126, 170391), (153, 140322), (182, 117963), (189, 113594), (221, 97146), (234, 91749), (238, 90207), (257, 83538), (273, 78642), (306, 70161), (351, 61166), (357, 60138), (378, 56797), (442, 48573), (459, 46774), (514, 41769), (546, 39321), (663, 32382), (702, 30583), (714, 30069), (771, 27846), (819, 26214), (918, 23387), (1071, 20046), (1326, 16191), (1542, 13923), (1547, 13878), (1638, 13107), (1799, 11934), (1989, 10794), (2142, 10023), (2313, 9282), (2457, 8738), (3094, 6939), (3213, 6682), (3341, 6426), (3598, 5967), (3978, 5397), (4369, 4914), (4626, 4641)]