21569408

素因数分解:

$2^7\times 7^2\times {\mathrm{19}}^1\times {\mathrm{181}}^1$

素因数の和:228

約数の個数: 96

約数和(自身を含む): 52907400

約数和(自身を除く): 31337992

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 49, 56, 64, 76, 98, 112, 128, 133, 152, 181, 196, 224, 266, 304, 362, 392, 448, 532, 608, 724, 784, 896, 931, 1064, 1216, 1267, 1448, 1568, 1862, 2128, 2432, 2534, 2896, 3136, 3439, 3724, 4256, 5068, 5792, 6272, 6878, 7448, 8512, 8869, 10136, 11584, 13756, 14896, 17024, 17738, 20272, 23168, 24073, 27512, 29792, 35476, 40544, 48146, 55024, 59584, 70952, 81088, 96292, 110048, 119168, 141904, 162176, 168511, 192584, 220096, 283808, 337022, 385168, 440192, 567616, 674044, 770336, 1135232, 1348088, 1540672, 2696176, 3081344, 5392352, 10784704, 21569408]

約数ペア:

[(1, 21569408), (2, 10784704), (4, 5392352), (7, 3081344), (8, 2696176), (14, 1540672), (16, 1348088), (19, 1135232), (28, 770336), (32, 674044), (38, 567616), (49, 440192), (56, 385168), (64, 337022), (76, 283808), (98, 220096), (112, 192584), (128, 168511), (133, 162176), (152, 141904), (181, 119168), (196, 110048), (224, 96292), (266, 81088), (304, 70952), (362, 59584), (392, 55024), (448, 48146), (532, 40544), (608, 35476), (724, 29792), (784, 27512), (896, 24073), (931, 23168), (1064, 20272), (1216, 17738), (1267, 17024), (1448, 14896), (1568, 13756), (1862, 11584), (2128, 10136), (2432, 8869), (2534, 8512), (2896, 7448), (3136, 6878), (3439, 6272), (3724, 5792), (4256, 5068)]