21792393

素因数分解:

$3^2\times 7^1\times {\mathrm{281}}^1\times {\mathrm{1231}}^1$

素因数の和:1525

約数の個数: 24

約数和(自身を含む): 36132096

約数和(自身を除く): 14339703

約数列:

[1, 3, 7, 9, 21, 63, 281, 843, 1231, 1967, 2529, 3693, 5901, 8617, 11079, 17703, 25851, 77553, 345911, 1037733, 2421377, 3113199, 7264131, 21792393]

約数ペア:

[(1, 21792393), (3, 7264131), (7, 3113199), (9, 2421377), (21, 1037733), (63, 345911), (281, 77553), (843, 25851), (1231, 17703), (1967, 11079), (2529, 8617), (3693, 5901)]