21484716

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:191

約数の個数: 96

約数和(自身を含む): 57915648

約数和(自身を除く): 36430932

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 37, 44, 53, 66, 74, 83, 106, 111, 132, 148, 159, 166, 212, 222, 249, 318, 332, 407, 444, 498, 583, 636, 814, 913, 996, 1166, 1221, 1628, 1749, 1826, 1961, 2332, 2442, 2739, 3071, 3498, 3652, 3922, 4399, 4884, 5478, 5883, 6142, 6996, 7844, 8798, 9213, 10956, 11766, 12284, 13197, 17596, 18426, 21571, 23532, 26394, 33781, 36852, 43142, 48389, 52788, 64713, 67562, 86284, 96778, 101343, 129426, 135124, 145167, 162763, 193556, 202686, 258852, 290334, 325526, 405372, 488289, 580668, 651052, 976578, 1790393, 1953156, 3580786, 5371179, 7161572, 10742358, 21484716]

約数ペア:

[(1, 21484716), (2, 10742358), (3, 7161572), (4, 5371179), (6, 3580786), (11, 1953156), (12, 1790393), (22, 976578), (33, 651052), (37, 580668), (44, 488289), (53, 405372), (66, 325526), (74, 290334), (83, 258852), (106, 202686), (111, 193556), (132, 162763), (148, 145167), (159, 135124), (166, 129426), (212, 101343), (222, 96778), (249, 86284), (318, 67562), (332, 64713), (407, 52788), (444, 48389), (498, 43142), (583, 36852), (636, 33781), (814, 26394), (913, 23532), (996, 21571), (1166, 18426), (1221, 17596), (1628, 13197), (1749, 12284), (1826, 11766), (1961, 10956), (2332, 9213), (2442, 8798), (2739, 7844), (3071, 6996), (3498, 6142), (3652, 5883), (3922, 5478), (4399, 4884)]