21349586

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{859}}^1$

素因数の和:938

約数の個数: 24

約数和(自身を含む): 34850640

約数和(自身を除く): 13501054

約数列:

[1, 2, 17, 34, 43, 86, 289, 578, 731, 859, 1462, 1718, 12427, 14603, 24854, 29206, 36937, 73874, 248251, 496502, 627929, 1255858, 10674793, 21349586]

約数ペア:

[(1, 21349586), (2, 10674793), (17, 1255858), (34, 627929), (43, 496502), (86, 248251), (289, 73874), (578, 36937), (731, 29206), (859, 24854), (1462, 14603), (1718, 12427)]