21563762

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{463}}^1$

素因数の和:578

約数の個数: 32

約数和(自身を含む): 37082880

約数和(自身を除く): 15519118

約数列:

[1, 2, 11, 22, 29, 58, 73, 146, 319, 463, 638, 803, 926, 1606, 2117, 4234, 5093, 10186, 13427, 23287, 26854, 33799, 46574, 67598, 147697, 295394, 371789, 743578, 980171, 1960342, 10781881, 21563762]

約数ペア:

[(1, 21563762), (2, 10781881), (11, 1960342), (22, 980171), (29, 743578), (58, 371789), (73, 295394), (146, 147697), (319, 67598), (463, 46574), (638, 33799), (803, 26854), (926, 23287), (1606, 13427), (2117, 10186), (4234, 5093)]