21260492

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{1783}}^1$

素因数の和:2069

約数の個数: 24

約数和(自身を含む): 40760832

約数和(自身を除く): 19500340

約数列:

[1, 2, 4, 11, 22, 44, 271, 542, 1084, 1783, 2981, 3566, 5962, 7132, 11924, 19613, 39226, 78452, 483193, 966386, 1932772, 5315123, 10630246, 21260492]

約数ペア:

[(1, 21260492), (2, 10630246), (4, 5315123), (11, 1932772), (22, 966386), (44, 483193), (271, 78452), (542, 39226), (1084, 19613), (1783, 11924), (2981, 7132), (3566, 5962)]