21130970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{3637}}^1$

素因数の和:3734

約数の個数: 32

約数和(自身を含む): 44005248

約数和(自身を除く): 22874278

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 83, 166, 415, 581, 830, 1162, 2905, 3637, 5810, 7274, 18185, 25459, 36370, 50918, 127295, 254590, 301871, 603742, 1509355, 2113097, 3018710, 4226194, 10565485, 21130970]

約数ペア:

[(1, 21130970), (2, 10565485), (5, 4226194), (7, 3018710), (10, 2113097), (14, 1509355), (35, 603742), (70, 301871), (83, 254590), (166, 127295), (415, 50918), (581, 36370), (830, 25459), (1162, 18185), (2905, 7274), (3637, 5810)]