21275200

素因数分解:

$2^6\times 5^2\times {\mathrm{13297}}^1$

素因数の和:13319

約数の個数: 42

約数和(自身を含む): 52354226

約数和(自身を除く): 31079026

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 13297, 26594, 53188, 66485, 106376, 132970, 212752, 265940, 332425, 425504, 531880, 664850, 851008, 1063760, 1329700, 2127520, 2659400, 4255040, 5318800, 10637600, 21275200]

約数ペア:

[(1, 21275200), (2, 10637600), (4, 5318800), (5, 4255040), (8, 2659400), (10, 2127520), (16, 1329700), (20, 1063760), (25, 851008), (32, 664850), (40, 531880), (50, 425504), (64, 332425), (80, 265940), (100, 212752), (160, 132970), (200, 106376), (320, 66485), (400, 53188), (800, 26594), (1600, 13297)]