210913252020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{11601389}}^1$

素因数の和:11601505

約数の個数: 72

約数和(自身を含む): 646104611880

約数和(自身を除く): 435191359860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 101, 180, 202, 303, 404, 505, 606, 909, 1010, 1212, 1515, 1818, 2020, 3030, 3636, 4545, 6060, 9090, 18180, 11601389, 23202778, 34804167, 46405556, 58006945, 69608334, 104412501, 116013890, 139216668, 174020835, 208825002, 232027780, 348041670, 417650004, 522062505, 696083340, 1044125010, 1171740289, 2088250020, 2343480578, 3515220867, 4686961156, 5858701445, 7030441734, 10545662601, 11717402890, 14060883468, 17576104335, 21091325202, 23434805780, 35152208670, 42182650404, 52728313005, 70304417340, 105456626010, 210913252020]

約数ペア:

[(1, 210913252020), (2, 105456626010), (3, 70304417340), (4, 52728313005), (5, 42182650404), (6, 35152208670), (9, 23434805780), (10, 21091325202), (12, 17576104335), (15, 14060883468), (18, 11717402890), (20, 10545662601), (30, 7030441734), (36, 5858701445), (45, 4686961156), (60, 3515220867), (90, 2343480578), (101, 2088250020), (180, 1171740289), (202, 1044125010), (303, 696083340), (404, 522062505), (505, 417650004), (606, 348041670), (909, 232027780), (1010, 208825002), (1212, 174020835), (1515, 139216668), (1818, 116013890), (2020, 104412501), (3030, 69608334), (3636, 58006945), (4545, 46405556), (6060, 34804167), (9090, 23202778), (18180, 11601389)]