21710528

素因数分解:

$2^6\times 7^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:99

約数の個数: 112

約数和(自身を含む): 53644800

約数和(自身を除く): 31934272

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 43, 46, 49, 56, 64, 86, 92, 98, 112, 161, 172, 184, 196, 224, 301, 322, 343, 344, 368, 392, 448, 602, 644, 686, 688, 736, 784, 989, 1127, 1204, 1288, 1372, 1376, 1472, 1568, 1978, 2107, 2254, 2408, 2576, 2744, 2752, 3136, 3956, 4214, 4508, 4816, 5152, 5488, 6923, 7889, 7912, 8428, 9016, 9632, 10304, 10976, 13846, 14749, 15778, 15824, 16856, 18032, 19264, 21952, 27692, 29498, 31556, 31648, 33712, 36064, 48461, 55384, 58996, 63112, 63296, 67424, 72128, 96922, 110768, 117992, 126224, 134848, 193844, 221536, 235984, 252448, 339227, 387688, 443072, 471968, 504896, 678454, 775376, 943936, 1356908, 1550752, 2713816, 3101504, 5427632, 10855264, 21710528]

約数ペア:

[(1, 21710528), (2, 10855264), (4, 5427632), (7, 3101504), (8, 2713816), (14, 1550752), (16, 1356908), (23, 943936), (28, 775376), (32, 678454), (43, 504896), (46, 471968), (49, 443072), (56, 387688), (64, 339227), (86, 252448), (92, 235984), (98, 221536), (112, 193844), (161, 134848), (172, 126224), (184, 117992), (196, 110768), (224, 96922), (301, 72128), (322, 67424), (343, 63296), (344, 63112), (368, 58996), (392, 55384), (448, 48461), (602, 36064), (644, 33712), (686, 31648), (688, 31556), (736, 29498), (784, 27692), (989, 21952), (1127, 19264), (1204, 18032), (1288, 16856), (1372, 15824), (1376, 15778), (1472, 14749), (1568, 13846), (1978, 10976), (2107, 10304), (2254, 9632), (2408, 9016), (2576, 8428), (2744, 7912), (2752, 7889), (3136, 6923), (3956, 5488), (4214, 5152), (4508, 4816)]