21709582

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:264

約数の個数: 32

約数和(自身を含む): 35126784

約数和(自身を除く): 13417202

約数列:

[1, 2, 41, 43, 47, 82, 86, 94, 131, 262, 1763, 1927, 2021, 3526, 3854, 4042, 5371, 5633, 6157, 10742, 11266, 12314, 82861, 165722, 230953, 252437, 264751, 461906, 504874, 529502, 10854791, 21709582]

約数ペア:

[(1, 21709582), (2, 10854791), (41, 529502), (43, 504874), (47, 461906), (82, 264751), (86, 252437), (94, 230953), (131, 165722), (262, 82861), (1763, 12314), (1927, 11266), (2021, 10742), (3526, 6157), (3854, 5633), (4042, 5371)]