21176862

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{6907}}^1$

素因数の和:6992

約数の個数: 32

約数和(自身を含む): 49074432

約数和(自身を除く): 27897570

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 73, 146, 219, 438, 511, 1022, 1533, 3066, 6907, 13814, 20721, 41442, 48349, 96698, 145047, 290094, 504211, 1008422, 1512633, 3025266, 3529477, 7058954, 10588431, 21176862]

約数ペア:

[(1, 21176862), (2, 10588431), (3, 7058954), (6, 3529477), (7, 3025266), (14, 1512633), (21, 1008422), (42, 504211), (73, 290094), (146, 145047), (219, 96698), (438, 48349), (511, 41442), (1022, 20721), (1533, 13814), (3066, 6907)]