21516138

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{56921}}^1$

素因数の和:56939

約数の個数: 32

約数和(自身を含む): 54645120

約数和(自身を除く): 33128982

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 56921, 113842, 170763, 341526, 398447, 512289, 796894, 1024578, 1195341, 1536867, 2390682, 3073734, 3586023, 7172046, 10758069, 21516138]

約数ペア:

[(1, 21516138), (2, 10758069), (3, 7172046), (6, 3586023), (7, 3073734), (9, 2390682), (14, 1536867), (18, 1195341), (21, 1024578), (27, 796894), (42, 512289), (54, 398447), (63, 341526), (126, 170763), (189, 113842), (378, 56921)]