21162837

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{5657}}^1$

素因数の和:5732

約数の個数: 16

約数和(自身を含む): 29874240

約数和(自身を除く): 8711403

約数列:

[1, 3, 29, 43, 87, 129, 1247, 3741, 5657, 16971, 164053, 243251, 492159, 729753, 7054279, 21162837]

約数ペア:

[(1, 21162837), (3, 7054279), (29, 729753), (43, 492159), (87, 243251), (129, 164053), (1247, 16971), (3741, 5657)]