21233835

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{67409}}^1$

素因数の和:67427

約数の個数: 24

約数和(自身を含む): 42063840

約数和(自身を除く): 20830005

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 67409, 202227, 337045, 471863, 606681, 1011135, 1415589, 2359315, 3033405, 4246767, 7077945, 21233835]

約数ペア:

[(1, 21233835), (3, 7077945), (5, 4246767), (7, 3033405), (9, 2359315), (15, 1415589), (21, 1011135), (35, 606681), (45, 471863), (63, 337045), (105, 202227), (315, 67409)]