21523712

素因数分解:

$2^8\times 7^1\times {\mathrm{12011}}^1$

素因数の和:12034

約数の個数: 36

約数和(自身を含む): 49105056

約数和(自身を除く): 27581344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 896, 1792, 12011, 24022, 48044, 84077, 96088, 168154, 192176, 336308, 384352, 672616, 768704, 1345232, 1537408, 2690464, 3074816, 5380928, 10761856, 21523712]

約数ペア:

[(1, 21523712), (2, 10761856), (4, 5380928), (7, 3074816), (8, 2690464), (14, 1537408), (16, 1345232), (28, 768704), (32, 672616), (56, 384352), (64, 336308), (112, 192176), (128, 168154), (224, 96088), (256, 84077), (448, 48044), (896, 24022), (1792, 12011)]