21171782009

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{6661}}^1\times {\mathrm{9661}}^1$

素因数の和:16376

約数の個数: 16

約数和(自身を含む): 24717405696

約数和(自身を除く): 3545623687

約数列:

[1, 7, 47, 329, 6661, 9661, 46627, 67627, 313067, 454067, 2191469, 3178469, 64351921, 450463447, 3024540287, 21171782009]

約数ペア:

[(1, 21171782009), (7, 3024540287), (47, 450463447), (329, 64351921), (6661, 3178469), (9661, 2191469), (46627, 454067), (67627, 313067)]