21506326

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:300

約数の個数: 32

約数和(自身を含む): 35458560

約数和(自身を除く): 13952234

約数列:

[1, 2, 17, 34, 59, 71, 118, 142, 151, 302, 1003, 1207, 2006, 2414, 2567, 4189, 5134, 8378, 8909, 10721, 17818, 21442, 71213, 142426, 151453, 182257, 302906, 364514, 632539, 1265078, 10753163, 21506326]

約数ペア:

[(1, 21506326), (2, 10753163), (17, 1265078), (34, 632539), (59, 364514), (71, 302906), (118, 182257), (142, 151453), (151, 142426), (302, 71213), (1003, 21442), (1207, 17818), (2006, 10721), (2414, 8909), (2567, 8378), (4189, 5134)]