21093415

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{26203}}^1$

素因数の和:26238

約数の個数: 16

約数和(自身を含む): 30187008

約数和(自身を除く): 9093593

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 26203, 131015, 183421, 602669, 917105, 3013345, 4218683, 21093415]

約数ペア:

[(1, 21093415), (5, 4218683), (7, 3013345), (23, 917105), (35, 602669), (115, 183421), (161, 131015), (805, 26203)]