21222597

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{4259}}^1$

素因数の和:4424

約数の個数: 16

約数和(自身を含む): 31080960

約数和(自身を除く): 9858363

約数列:

[1, 3, 11, 33, 151, 453, 1661, 4259, 4983, 12777, 46849, 140547, 643109, 1929327, 7074199, 21222597]

約数ペア:

[(1, 21222597), (3, 7074199), (11, 1929327), (33, 643109), (151, 140547), (453, 46849), (1661, 12777), (4259, 4983)]