21267264

素因数分解:

$2^6\times 3^1\times {\mathrm{257}}^1\times {\mathrm{431}}^1$

素因数の和:703

約数の個数: 56

約数和(自身を含む): 56619648

約数和(自身を除く): 35352384

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 192, 257, 431, 514, 771, 862, 1028, 1293, 1542, 1724, 2056, 2586, 3084, 3448, 4112, 5172, 6168, 6896, 8224, 10344, 12336, 13792, 16448, 20688, 24672, 27584, 41376, 49344, 82752, 110767, 221534, 332301, 443068, 664602, 886136, 1329204, 1772272, 2658408, 3544544, 5316816, 7089088, 10633632, 21267264]

約数ペア:

[(1, 21267264), (2, 10633632), (3, 7089088), (4, 5316816), (6, 3544544), (8, 2658408), (12, 1772272), (16, 1329204), (24, 886136), (32, 664602), (48, 443068), (64, 332301), (96, 221534), (192, 110767), (257, 82752), (431, 49344), (514, 41376), (771, 27584), (862, 24672), (1028, 20688), (1293, 16448), (1542, 13792), (1724, 12336), (2056, 10344), (2586, 8224), (3084, 6896), (3448, 6168), (4112, 5172)]