21492670

素因数分解:

$2^1\times 5^1\times {\mathrm{1321}}^1\times {\mathrm{1627}}^1$

素因数の和:2955

約数の個数: 16

約数和(自身を含む): 38739888

約数和(自身を除く): 17247218

約数列:

[1, 2, 5, 10, 1321, 1627, 2642, 3254, 6605, 8135, 13210, 16270, 2149267, 4298534, 10746335, 21492670]

約数ペア:

[(1, 21492670), (2, 10746335), (5, 4298534), (10, 2149267), (1321, 16270), (1627, 13210), (2642, 8135), (3254, 6605)]