21002415

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{200023}}^1$

素因数の和:200038

約数の個数: 16

約数和(自身を含む): 38404608

約数和(自身を除く): 17402193

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 200023, 600069, 1000115, 1400161, 3000345, 4200483, 7000805, 21002415]

約数ペア:

[(1, 21002415), (3, 7000805), (5, 4200483), (7, 3000345), (15, 1400161), (21, 1000115), (35, 600069), (105, 200023)]