21791712

素因数分解:

$2^5\times 3^1\times {\mathrm{43}}^1\times {\mathrm{5279}}^1$

素因数の和:5335

約数の個数: 48

約数和(自身を含む): 58544640

約数和(自身を除く): 36752928

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 43, 48, 86, 96, 129, 172, 258, 344, 516, 688, 1032, 1376, 2064, 4128, 5279, 10558, 15837, 21116, 31674, 42232, 63348, 84464, 126696, 168928, 226997, 253392, 453994, 506784, 680991, 907988, 1361982, 1815976, 2723964, 3631952, 5447928, 7263904, 10895856, 21791712]

約数ペア:

[(1, 21791712), (2, 10895856), (3, 7263904), (4, 5447928), (6, 3631952), (8, 2723964), (12, 1815976), (16, 1361982), (24, 907988), (32, 680991), (43, 506784), (48, 453994), (86, 253392), (96, 226997), (129, 168928), (172, 126696), (258, 84464), (344, 63348), (516, 42232), (688, 31674), (1032, 21116), (1376, 15837), (2064, 10558), (4128, 5279)]