21510603

素因数分解:

$3^6\times {\mathrm{19}}^1\times {\mathrm{1553}}^1$

素因数の和:1590

約数の個数: 28

約数和(自身を含む): 33970440

約数和(自身を除く): 12459837

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 729, 1539, 1553, 4617, 4659, 13851, 13977, 29507, 41931, 88521, 125793, 265563, 377379, 796689, 1132137, 2390067, 7170201, 21510603]

約数ペア:

[(1, 21510603), (3, 7170201), (9, 2390067), (19, 1132137), (27, 796689), (57, 377379), (81, 265563), (171, 125793), (243, 88521), (513, 41931), (729, 29507), (1539, 13977), (1553, 13851), (4617, 4659)]