21294315

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{67601}}^1$

素因数の和:67619

約数の個数: 24

約数和(自身を含む): 42183648

約数和(自身を除く): 20889333

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 67601, 202803, 338005, 473207, 608409, 1014015, 1419621, 2366035, 3042045, 4258863, 7098105, 21294315]

約数ペア:

[(1, 21294315), (3, 7098105), (5, 4258863), (7, 3042045), (9, 2366035), (15, 1419621), (21, 1014015), (35, 608409), (45, 473207), (63, 338005), (105, 202803), (315, 67601)]