21035014

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:138

約数の個数: 96

約数和(自身を含む): 45964800

約数和(自身を除く): 24929786

約数列:

[1, 2, 7, 11, 13, 14, 19, 22, 26, 38, 49, 77, 79, 91, 98, 133, 143, 154, 158, 182, 209, 247, 266, 286, 418, 494, 539, 553, 637, 869, 931, 1001, 1027, 1078, 1106, 1274, 1463, 1501, 1729, 1738, 1862, 2002, 2054, 2717, 2926, 3002, 3458, 3871, 5434, 6083, 7007, 7189, 7742, 10241, 10507, 11297, 12103, 12166, 14014, 14378, 16511, 19019, 19513, 20482, 21014, 22594, 24206, 33022, 38038, 39026, 42581, 50323, 73549, 79079, 85162, 100646, 115577, 133133, 136591, 147098, 158158, 214643, 231154, 266266, 273182, 429286, 553553, 809039, 956137, 1107106, 1502501, 1618078, 1912274, 3005002, 10517507, 21035014]

約数ペア:

[(1, 21035014), (2, 10517507), (7, 3005002), (11, 1912274), (13, 1618078), (14, 1502501), (19, 1107106), (22, 956137), (26, 809039), (38, 553553), (49, 429286), (77, 273182), (79, 266266), (91, 231154), (98, 214643), (133, 158158), (143, 147098), (154, 136591), (158, 133133), (182, 115577), (209, 100646), (247, 85162), (266, 79079), (286, 73549), (418, 50323), (494, 42581), (539, 39026), (553, 38038), (637, 33022), (869, 24206), (931, 22594), (1001, 21014), (1027, 20482), (1078, 19513), (1106, 19019), (1274, 16511), (1463, 14378), (1501, 14014), (1729, 12166), (1738, 12103), (1862, 11297), (2002, 10507), (2054, 10241), (2717, 7742), (2926, 7189), (3002, 7007), (3458, 6083), (3871, 5434)]