21684992

素因数分解:

$2^8\times 7^1\times {\mathrm{12101}}^1$

素因数の和:12124

約数の個数: 36

約数和(自身を含む): 49472976

約数和(自身を除く): 27787984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 896, 1792, 12101, 24202, 48404, 84707, 96808, 169414, 193616, 338828, 387232, 677656, 774464, 1355312, 1548928, 2710624, 3097856, 5421248, 10842496, 21684992]

約数ペア:

[(1, 21684992), (2, 10842496), (4, 5421248), (7, 3097856), (8, 2710624), (14, 1548928), (16, 1355312), (28, 774464), (32, 677656), (56, 387232), (64, 338828), (112, 193616), (128, 169414), (224, 96808), (256, 84707), (448, 48404), (896, 24202), (1792, 12101)]