21286635

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83477}}^1$

素因数の和:83502

約数の個数: 16

約数和(自身を含む): 36062496

約数和(自身を除く): 14775861

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 83477, 250431, 417385, 1252155, 1419109, 4257327, 7095545, 21286635]

約数ペア:

[(1, 21286635), (3, 7095545), (5, 4257327), (15, 1419109), (17, 1252155), (51, 417385), (85, 250431), (255, 83477)]