21373737

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1381}}^1$

素因数の和:1469

約数の個数: 32

約数和(自身を含む): 36086784

約数和(自身を除く): 14713047

約数列:

[1, 3, 7, 11, 21, 33, 67, 77, 201, 231, 469, 737, 1381, 1407, 2211, 4143, 5159, 9667, 15191, 15477, 29001, 45573, 92527, 106337, 277581, 319011, 647689, 1017797, 1943067, 3053391, 7124579, 21373737]

約数ペア:

[(1, 21373737), (3, 7124579), (7, 3053391), (11, 1943067), (21, 1017797), (33, 647689), (67, 319011), (77, 277581), (201, 106337), (231, 92527), (469, 45573), (737, 29001), (1381, 15477), (1407, 15191), (2211, 9667), (4143, 5159)]