21291004

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{44729}}^1$

素因数の和:44757

約数の個数: 24

約数和(自身を含む): 45087840

約数和(自身を除く): 23796836

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 44729, 89458, 178916, 313103, 626206, 760393, 1252412, 1520786, 3041572, 5322751, 10645502, 21291004]

約数ペア:

[(1, 21291004), (2, 10645502), (4, 5322751), (7, 3041572), (14, 1520786), (17, 1252412), (28, 760393), (34, 626206), (68, 313103), (119, 178916), (238, 89458), (476, 44729)]