21252272

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{479}}^1$

素因数の和:593

約数の個数: 40

約数和(自身を含む): 42854400

約数和(自身を除く): 21602128

約数列:

[1, 2, 4, 8, 16, 47, 59, 94, 118, 188, 236, 376, 472, 479, 752, 944, 958, 1916, 2773, 3832, 5546, 7664, 11092, 22184, 22513, 28261, 44368, 45026, 56522, 90052, 113044, 180104, 226088, 360208, 452176, 1328267, 2656534, 5313068, 10626136, 21252272]

約数ペア:

[(1, 21252272), (2, 10626136), (4, 5313068), (8, 2656534), (16, 1328267), (47, 452176), (59, 360208), (94, 226088), (118, 180104), (188, 113044), (236, 90052), (376, 56522), (472, 45026), (479, 44368), (752, 28261), (944, 22513), (958, 22184), (1916, 11092), (2773, 7664), (3832, 5546)]