21546441

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4817}}^1$

素因数の和:4901

約数の個数: 24

約数和(自身を含む): 36077184

約数和(自身を除く): 14530743

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 4817, 14451, 33719, 43353, 101157, 303471, 342007, 1026021, 2394049, 3078063, 7182147, 21546441]

約数ペア:

[(1, 21546441), (3, 7182147), (7, 3078063), (9, 2394049), (21, 1026021), (63, 342007), (71, 303471), (213, 101157), (497, 43353), (639, 33719), (1491, 14451), (4473, 4817)]