21687670

素因数分解:

$2^1\times 5^1\times {\mathrm{1301}}^1\times {\mathrm{1667}}^1$

素因数の和:2975

約数の個数: 16

約数和(自身を含む): 39091248

約数和(自身を除く): 17403578

約数列:

[1, 2, 5, 10, 1301, 1667, 2602, 3334, 6505, 8335, 13010, 16670, 2168767, 4337534, 10843835, 21687670]

約数ペア:

[(1, 21687670), (2, 10843835), (5, 4337534), (10, 2168767), (1301, 16670), (1667, 13010), (2602, 8335), (3334, 6505)]