21007588

素因数分解:

$2^2\times 7^1\times {\mathrm{401}}^1\times {\mathrm{1871}}^1$

素因数の和:2283

約数の個数: 24

約数和(自身を含む): 42142464

約数和(自身を除く): 21134876

約数列:

[1, 2, 4, 7, 14, 28, 401, 802, 1604, 1871, 2807, 3742, 5614, 7484, 11228, 13097, 26194, 52388, 750271, 1500542, 3001084, 5251897, 10503794, 21007588]

約数ペア:

[(1, 21007588), (2, 10503794), (4, 5251897), (7, 3001084), (14, 1500542), (28, 750271), (401, 52388), (802, 26194), (1604, 13097), (1871, 11228), (2807, 7484), (3742, 5614)]