21165156

素因数分解:

$2^2\times 3^2\times {\mathrm{101}}^1\times {\mathrm{5821}}^1$

素因数の和:5932

約数の個数: 36

約数和(自身を含む): 54039804

約数和(自身を除く): 32874648

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 101, 202, 303, 404, 606, 909, 1212, 1818, 3636, 5821, 11642, 17463, 23284, 34926, 52389, 69852, 104778, 209556, 587921, 1175842, 1763763, 2351684, 3527526, 5291289, 7055052, 10582578, 21165156]

約数ペア:

[(1, 21165156), (2, 10582578), (3, 7055052), (4, 5291289), (6, 3527526), (9, 2351684), (12, 1763763), (18, 1175842), (36, 587921), (101, 209556), (202, 104778), (303, 69852), (404, 52389), (606, 34926), (909, 23284), (1212, 17463), (1818, 11642), (3636, 5821)]