21291588

素因数分解:

$2^2\times 3^2\times {\mathrm{211}}^1\times {\mathrm{2803}}^1$

素因数の和:3024

約数の個数: 36

約数和(自身を含む): 54094768

約数和(自身を除く): 32803180

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 211, 422, 633, 844, 1266, 1899, 2532, 2803, 3798, 5606, 7596, 8409, 11212, 16818, 25227, 33636, 50454, 100908, 591433, 1182866, 1774299, 2365732, 3548598, 5322897, 7097196, 10645794, 21291588]

約数ペア:

[(1, 21291588), (2, 10645794), (3, 7097196), (4, 5322897), (6, 3548598), (9, 2365732), (12, 1774299), (18, 1182866), (36, 591433), (211, 100908), (422, 50454), (633, 33636), (844, 25227), (1266, 16818), (1899, 11212), (2532, 8409), (2803, 7596), (3798, 5606)]