21246848

素因数分解:

$2^7\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1031}}^1$

素因数の和:1075

約数の個数: 64

約数和(自身を含む): 50526720

約数和(自身を除く): 29279872

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 64, 92, 112, 128, 161, 184, 224, 322, 368, 448, 644, 736, 896, 1031, 1288, 1472, 2062, 2576, 2944, 4124, 5152, 7217, 8248, 10304, 14434, 16496, 20608, 23713, 28868, 32992, 47426, 57736, 65984, 94852, 115472, 131968, 165991, 189704, 230944, 331982, 379408, 461888, 663964, 758816, 923776, 1327928, 1517632, 2655856, 3035264, 5311712, 10623424, 21246848]

約数ペア:

[(1, 21246848), (2, 10623424), (4, 5311712), (7, 3035264), (8, 2655856), (14, 1517632), (16, 1327928), (23, 923776), (28, 758816), (32, 663964), (46, 461888), (56, 379408), (64, 331982), (92, 230944), (112, 189704), (128, 165991), (161, 131968), (184, 115472), (224, 94852), (322, 65984), (368, 57736), (448, 47426), (644, 32992), (736, 28868), (896, 23713), (1031, 20608), (1288, 16496), (1472, 14434), (2062, 10304), (2576, 8248), (2944, 7217), (4124, 5152)]