21827235

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{85597}}^1$

素因数の和:85622

約数の個数: 16

約数和(自身を含む): 36978336

約数和(自身を除く): 15151101

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 85597, 256791, 427985, 1283955, 1455149, 4365447, 7275745, 21827235]

約数ペア:

[(1, 21827235), (3, 7275745), (5, 4365447), (15, 1455149), (17, 1283955), (51, 427985), (85, 256791), (255, 85597)]