21500217984

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{7998593}}^1$

素因数の和:7998617

約数の個数: 64

約数和(自身を含む): 65268527040

約数和(自身を除く): 43768309056

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 336, 384, 448, 672, 896, 1344, 2688, 7998593, 15997186, 23995779, 31994372, 47991558, 55990151, 63988744, 95983116, 111980302, 127977488, 167970453, 191966232, 223960604, 255954976, 335940906, 383932464, 447921208, 511909952, 671881812, 767864928, 895842416, 1023819904, 1343763624, 1535729856, 1791684832, 2687527248, 3071459712, 3583369664, 5375054496, 7166739328, 10750108992, 21500217984]

約数ペア:

[(1, 21500217984), (2, 10750108992), (3, 7166739328), (4, 5375054496), (6, 3583369664), (7, 3071459712), (8, 2687527248), (12, 1791684832), (14, 1535729856), (16, 1343763624), (21, 1023819904), (24, 895842416), (28, 767864928), (32, 671881812), (42, 511909952), (48, 447921208), (56, 383932464), (64, 335940906), (84, 255954976), (96, 223960604), (112, 191966232), (128, 167970453), (168, 127977488), (192, 111980302), (224, 95983116), (336, 63988744), (384, 55990151), (448, 47991558), (672, 31994372), (896, 23995779), (1344, 15997186), (2688, 7998593)]