21771156

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:213

約数の個数: 96

約数和(自身を含む): 59222016

約数和(自身を除く): 37450860

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 23, 33, 44, 46, 66, 69, 71, 92, 101, 132, 138, 142, 202, 213, 253, 276, 284, 303, 404, 426, 506, 606, 759, 781, 852, 1012, 1111, 1212, 1518, 1562, 1633, 2222, 2323, 2343, 3036, 3124, 3266, 3333, 4444, 4646, 4686, 4899, 6532, 6666, 6969, 7171, 9292, 9372, 9798, 13332, 13938, 14342, 17963, 19596, 21513, 25553, 27876, 28684, 35926, 43026, 51106, 53889, 71852, 76659, 78881, 86052, 102212, 107778, 153318, 157762, 164933, 215556, 236643, 306636, 315524, 329866, 473286, 494799, 659732, 946572, 989598, 1814263, 1979196, 3628526, 5442789, 7257052, 10885578, 21771156]

約数ペア:

[(1, 21771156), (2, 10885578), (3, 7257052), (4, 5442789), (6, 3628526), (11, 1979196), (12, 1814263), (22, 989598), (23, 946572), (33, 659732), (44, 494799), (46, 473286), (66, 329866), (69, 315524), (71, 306636), (92, 236643), (101, 215556), (132, 164933), (138, 157762), (142, 153318), (202, 107778), (213, 102212), (253, 86052), (276, 78881), (284, 76659), (303, 71852), (404, 53889), (426, 51106), (506, 43026), (606, 35926), (759, 28684), (781, 27876), (852, 25553), (1012, 21513), (1111, 19596), (1212, 17963), (1518, 14342), (1562, 13938), (1633, 13332), (2222, 9798), (2323, 9372), (2343, 9292), (3036, 7171), (3124, 6969), (3266, 6666), (3333, 6532), (4444, 4899), (4646, 4686)]