21267422

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{613}}^1$

素因数の和:728

約数の個数: 32

約数和(自身を含む): 37134720

約数和(自身を除く): 15867298

約数列:

[1, 2, 11, 19, 22, 38, 83, 166, 209, 418, 613, 913, 1226, 1577, 1826, 3154, 6743, 11647, 13486, 17347, 23294, 34694, 50879, 101758, 128117, 256234, 559669, 966701, 1119338, 1933402, 10633711, 21267422]

約数ペア:

[(1, 21267422), (2, 10633711), (11, 1933402), (19, 1119338), (22, 966701), (38, 559669), (83, 256234), (166, 128117), (209, 101758), (418, 50879), (613, 34694), (913, 23294), (1226, 17347), (1577, 13486), (1826, 11647), (3154, 6743)]