21489276135

素因数分解:

$3^1\times 5^1\times {\mathrm{1543}}^1\times {\mathrm{928463}}^1$

素因数の和:930014

約数の個数: 16

約数和(自身を含む): 34405161984

約数和(自身を除く): 12915885849

約数列:

[1, 3, 5, 15, 1543, 4629, 7715, 23145, 928463, 2785389, 4642315, 13926945, 1432618409, 4297855227, 7163092045, 21489276135]

約数ペア:

[(1, 21489276135), (3, 7163092045), (5, 4297855227), (15, 1432618409), (1543, 13926945), (4629, 4642315), (7715, 2785389), (23145, 928463)]