21192699

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{4253}}^1$

素因数の和:4418

約数の個数: 16

約数和(自身を含む): 31037184

約数和(自身を除く): 9844485

約数列:

[1, 3, 11, 33, 151, 453, 1661, 4253, 4983, 12759, 46783, 140349, 642203, 1926609, 7064233, 21192699]

約数ペア:

[(1, 21192699), (3, 7064233), (11, 1926609), (33, 642203), (151, 140349), (453, 46783), (1661, 12759), (4253, 4983)]