21127035

素因数分解:

$3^1\times 5^1\times {\mathrm{809}}^1\times {\mathrm{1741}}^1$

素因数の和:2558

約数の個数: 16

約数和(自身を含む): 33864480

約数和(自身を除く): 12737445

約数列:

[1, 3, 5, 15, 809, 1741, 2427, 4045, 5223, 8705, 12135, 26115, 1408469, 4225407, 7042345, 21127035]

約数ペア:

[(1, 21127035), (3, 7042345), (5, 4225407), (15, 1408469), (809, 26115), (1741, 12135), (2427, 8705), (4045, 5223)]