21546213

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{1583}}^1$

素因数の和:1948

約数の個数: 16

約数和(自身を含む): 31046400

約数和(自身を除く): 9500187

約数列:

[1, 3, 13, 39, 349, 1047, 1583, 4537, 4749, 13611, 20579, 61737, 552467, 1657401, 7182071, 21546213]

約数ペア:

[(1, 21546213), (3, 7182071), (13, 1657401), (39, 552467), (349, 61737), (1047, 20579), (1583, 13611), (4537, 4749)]