21779754

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:287

約数の個数: 64

約数和(自身を含む): 49248000

約数和(自身を除く): 27468246

約数列:

[1, 2, 3, 6, 17, 29, 34, 37, 51, 58, 74, 87, 102, 111, 174, 199, 222, 398, 493, 597, 629, 986, 1073, 1194, 1258, 1479, 1887, 2146, 2958, 3219, 3383, 3774, 5771, 6438, 6766, 7363, 10149, 11542, 14726, 17313, 18241, 20298, 22089, 34626, 36482, 44178, 54723, 98107, 109446, 125171, 196214, 213527, 250342, 294321, 375513, 427054, 588642, 640581, 751026, 1281162, 3629959, 7259918, 10889877, 21779754]

約数ペア:

[(1, 21779754), (2, 10889877), (3, 7259918), (6, 3629959), (17, 1281162), (29, 751026), (34, 640581), (37, 588642), (51, 427054), (58, 375513), (74, 294321), (87, 250342), (102, 213527), (111, 196214), (174, 125171), (199, 109446), (222, 98107), (398, 54723), (493, 44178), (597, 36482), (629, 34626), (986, 22089), (1073, 20298), (1194, 18241), (1258, 17313), (1479, 14726), (1887, 11542), (2146, 10149), (2958, 7363), (3219, 6766), (3383, 6438), (3774, 5771)]