21614649

素因数分解:

$3^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{5333}}^1$

素因数の和:5536

約数の個数: 16

約数和(自身を含む): 33113472

約数和(自身を除く): 11498823

約数列:

[1, 3, 7, 21, 193, 579, 1351, 4053, 5333, 15999, 37331, 111993, 1029269, 3087807, 7204883, 21614649]

約数ペア:

[(1, 21614649), (3, 7204883), (7, 3087807), (21, 1029269), (193, 111993), (579, 37331), (1351, 15999), (4053, 5333)]