21825414

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4909}}^1$

素因数の和:4949

約数の個数: 48

約数和(自身を含む): 53617200

約数和(自身を除く): 31791786

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 38, 39, 57, 78, 114, 117, 171, 234, 247, 342, 494, 741, 1482, 2223, 4446, 4909, 9818, 14727, 29454, 44181, 63817, 88362, 93271, 127634, 186542, 191451, 279813, 382902, 559626, 574353, 839439, 1148706, 1212523, 1678878, 2425046, 3637569, 7275138, 10912707, 21825414]

約数ペア:

[(1, 21825414), (2, 10912707), (3, 7275138), (6, 3637569), (9, 2425046), (13, 1678878), (18, 1212523), (19, 1148706), (26, 839439), (38, 574353), (39, 559626), (57, 382902), (78, 279813), (114, 191451), (117, 186542), (171, 127634), (234, 93271), (247, 88362), (342, 63817), (494, 44181), (741, 29454), (1482, 14727), (2223, 9818), (4446, 4909)]