21219502

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{571}}^1\times {\mathrm{1093}}^1$

素因数の和:1683

約数の個数: 16

約数和(自身を含む): 33791472

約数和(自身を除く): 12571970

約数列:

[1, 2, 17, 34, 571, 1093, 1142, 2186, 9707, 18581, 19414, 37162, 624103, 1248206, 10609751, 21219502]

約数ペア:

[(1, 21219502), (2, 10609751), (17, 1248206), (34, 624103), (571, 37162), (1093, 19414), (1142, 18581), (2186, 9707)]