21541831521

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{33090371}}^1$

素因数の和:33090412

約数の個数: 16

約数和(自身を含む): 33884540928

約数和(自身を除く): 12342709407

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 33090371, 99271113, 231632597, 694897791, 1025801501, 3077404503, 7180610507, 21541831521]

約数ペア:

[(1, 21541831521), (3, 7180610507), (7, 3077404503), (21, 1025801501), (31, 694897791), (93, 231632597), (217, 99271113), (651, 33090371)]