21849454

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:201

約数の個数: 48

約数和(自身を含む): 39299904

約数和(自身を除く): 17450450

約数列:

[1, 2, 11, 17, 22, 34, 47, 94, 113, 121, 187, 226, 242, 374, 517, 799, 1034, 1243, 1598, 1921, 2057, 2486, 3842, 4114, 5311, 5687, 8789, 10622, 11374, 13673, 17578, 21131, 27346, 42262, 58421, 90287, 96679, 116842, 180574, 193358, 232441, 464882, 642631, 993157, 1285262, 1986314, 10924727, 21849454]

約数ペア:

[(1, 21849454), (2, 10924727), (11, 1986314), (17, 1285262), (22, 993157), (34, 642631), (47, 464882), (94, 232441), (113, 193358), (121, 180574), (187, 116842), (226, 96679), (242, 90287), (374, 58421), (517, 42262), (799, 27346), (1034, 21131), (1243, 17578), (1598, 13673), (1921, 11374), (2057, 10622), (2486, 8789), (3842, 5687), (4114, 5311)]