21306084

素因数分解:

$2^2\times 3^1\times {\mathrm{653}}^1\times {\mathrm{2719}}^1$

素因数の和:3379

約数の個数: 24

約数和(自身を含む): 49808640

約数和(自身を除く): 28502556

約数列:

[1, 2, 3, 4, 6, 12, 653, 1306, 1959, 2612, 2719, 3918, 5438, 7836, 8157, 10876, 16314, 32628, 1775507, 3551014, 5326521, 7102028, 10653042, 21306084]

約数ペア:

[(1, 21306084), (2, 10653042), (3, 7102028), (4, 5326521), (6, 3551014), (12, 1775507), (653, 32628), (1306, 16314), (1959, 10876), (2612, 8157), (2719, 7836), (3918, 5438)]