21711822

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{523}}^1$

素因数の和:593

約数の個数: 64

約数和(自身を含む): 51611904

約数和(自身を除く): 29900082

約数列:

[1, 2, 3, 6, 11, 17, 22, 33, 34, 37, 51, 66, 74, 102, 111, 187, 222, 374, 407, 523, 561, 629, 814, 1046, 1122, 1221, 1258, 1569, 1887, 2442, 3138, 3774, 5753, 6919, 8891, 11506, 13838, 17259, 17782, 19351, 20757, 26673, 34518, 38702, 41514, 53346, 58053, 97801, 116106, 195602, 212861, 293403, 328967, 425722, 586806, 638583, 657934, 986901, 1277166, 1973802, 3618637, 7237274, 10855911, 21711822]

約数ペア:

[(1, 21711822), (2, 10855911), (3, 7237274), (6, 3618637), (11, 1973802), (17, 1277166), (22, 986901), (33, 657934), (34, 638583), (37, 586806), (51, 425722), (66, 328967), (74, 293403), (102, 212861), (111, 195602), (187, 116106), (222, 97801), (374, 58053), (407, 53346), (523, 41514), (561, 38702), (629, 34518), (814, 26673), (1046, 20757), (1122, 19351), (1221, 17782), (1258, 17259), (1569, 13838), (1887, 11506), (2442, 8891), (3138, 6919), (3774, 5753)]