21030044

素因数分解:

$2^2\times 7^1\times {\mathrm{401}}^1\times {\mathrm{1873}}^1$

素因数の和:2285

約数の個数: 24

約数和(自身を含む): 42187488

約数和(自身を除く): 21157444

約数列:

[1, 2, 4, 7, 14, 28, 401, 802, 1604, 1873, 2807, 3746, 5614, 7492, 11228, 13111, 26222, 52444, 751073, 1502146, 3004292, 5257511, 10515022, 21030044]

約数ペア:

[(1, 21030044), (2, 10515022), (4, 5257511), (7, 3004292), (14, 1502146), (28, 751073), (401, 52444), (802, 26222), (1604, 13111), (1873, 11228), (2807, 7492), (3746, 5614)]