21335006

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:201

約数の個数: 64

約数和(自身を含む): 42577920

約数和(自身を除く): 21242914

約数列:

[1, 2, 7, 11, 14, 22, 31, 41, 62, 77, 82, 109, 154, 217, 218, 287, 341, 434, 451, 574, 682, 763, 902, 1199, 1271, 1526, 2387, 2398, 2542, 3157, 3379, 4469, 4774, 6314, 6758, 8393, 8897, 8938, 13981, 16786, 17794, 23653, 27962, 31283, 37169, 47306, 49159, 62566, 74338, 97867, 98318, 138539, 195734, 260183, 277078, 344113, 520366, 688226, 969773, 1523929, 1939546, 3047858, 10667503, 21335006]

約数ペア:

[(1, 21335006), (2, 10667503), (7, 3047858), (11, 1939546), (14, 1523929), (22, 969773), (31, 688226), (41, 520366), (62, 344113), (77, 277078), (82, 260183), (109, 195734), (154, 138539), (217, 98318), (218, 97867), (287, 74338), (341, 62566), (434, 49159), (451, 47306), (574, 37169), (682, 31283), (763, 27962), (902, 23653), (1199, 17794), (1271, 16786), (1526, 13981), (2387, 8938), (2398, 8897), (2542, 8393), (3157, 6758), (3379, 6314), (4469, 4774)]