21000496989

素因数分解:

$3^1\times {\mathrm{107}}^1\times {\mathrm{151}}^1\times {\mathrm{433259}}^1$

素因数の和:433520

約数の個数: 16

約数和(自身を含む): 28449584640

約数和(自身を除く): 7449087651

約数列:

[1, 3, 107, 151, 321, 453, 16157, 48471, 433259, 1299777, 46358713, 65422109, 139076139, 196266327, 7000165663, 21000496989]

約数ペア:

[(1, 21000496989), (3, 7000165663), (107, 196266327), (151, 139076139), (321, 65422109), (453, 46358713), (16157, 1299777), (48471, 433259)]