21613262

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:165

約数の個数: 48

約数和(自身を含む): 38201856

約数和(自身を除く): 16588594

約数列:

[1, 2, 11, 22, 31, 43, 62, 67, 86, 121, 134, 242, 341, 473, 682, 737, 946, 1333, 1474, 2077, 2666, 2881, 3751, 4154, 5203, 5762, 7502, 8107, 10406, 14663, 16214, 22847, 29326, 31691, 45694, 63382, 89311, 161293, 178622, 251317, 322586, 348601, 502634, 697202, 982421, 1964842, 10806631, 21613262]

約数ペア:

[(1, 21613262), (2, 10806631), (11, 1964842), (22, 982421), (31, 697202), (43, 502634), (62, 348601), (67, 322586), (86, 251317), (121, 178622), (134, 161293), (242, 89311), (341, 63382), (473, 45694), (682, 31691), (737, 29326), (946, 22847), (1333, 16214), (1474, 14663), (2077, 10406), (2666, 8107), (2881, 7502), (3751, 5762), (4154, 5203)]