21461924

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{13183}}^1$

素因数の和:13235

約数の個数: 24

約数和(自身を含む): 42083328

約数和(自身を除く): 20621404

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 814, 1628, 13183, 26366, 52732, 145013, 290026, 487771, 580052, 975542, 1951084, 5365481, 10730962, 21461924]

約数ペア:

[(1, 21461924), (2, 10730962), (4, 5365481), (11, 1951084), (22, 975542), (37, 580052), (44, 487771), (74, 290026), (148, 145013), (407, 52732), (814, 26366), (1628, 13183)]