21971898

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{10433}}^1$

素因数の和:10460

約数の個数: 40

約数和(自身を含む): 53025588

約数和(自身を除く): 31053690

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 351, 702, 1053, 2106, 10433, 20866, 31299, 62598, 93897, 135629, 187794, 271258, 281691, 406887, 563382, 813774, 845073, 1220661, 1690146, 2441322, 3661983, 7323966, 10985949, 21971898]

約数ペア:

[(1, 21971898), (2, 10985949), (3, 7323966), (6, 3661983), (9, 2441322), (13, 1690146), (18, 1220661), (26, 845073), (27, 813774), (39, 563382), (54, 406887), (78, 281691), (81, 271258), (117, 187794), (162, 135629), (234, 93897), (351, 62598), (702, 31299), (1053, 20866), (2106, 10433)]