21847749

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{349}}^1$

素因数の和:641

約数の個数: 32

約数和(自身を含む): 36556800

約数和(自身を除く): 14709051

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 271, 349, 813, 1047, 1897, 2443, 2981, 3839, 5691, 7329, 8943, 11517, 20867, 26873, 62601, 80619, 94579, 283737, 662053, 1040369, 1986159, 3121107, 7282583, 21847749]

約数ペア:

[(1, 21847749), (3, 7282583), (7, 3121107), (11, 1986159), (21, 1040369), (33, 662053), (77, 283737), (231, 94579), (271, 80619), (349, 62601), (813, 26873), (1047, 20867), (1897, 11517), (2443, 8943), (2981, 7329), (3839, 5691)]