21016029

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{2729}}^1$

素因数の和:2900

約数の個数: 16

約数和(自身を含む): 29877120

約数和(自身を除く): 8861091

約数列:

[1, 3, 17, 51, 151, 453, 2567, 2729, 7701, 8187, 46393, 139179, 412079, 1236237, 7005343, 21016029]

約数ペア:

[(1, 21016029), (3, 7005343), (17, 1236237), (51, 412079), (151, 139179), (453, 46393), (2567, 8187), (2729, 7701)]