21874866

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{2621}}^1$

素因数の和:2746

約数の個数: 32

約数和(自身を含む): 47573568

約数和(自身を除く): 25698702

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 107, 214, 321, 642, 1391, 2621, 2782, 4173, 5242, 7863, 8346, 15726, 34073, 68146, 102219, 204438, 280447, 560894, 841341, 1682682, 3645811, 7291622, 10937433, 21874866]

約数ペア:

[(1, 21874866), (2, 10937433), (3, 7291622), (6, 3645811), (13, 1682682), (26, 841341), (39, 560894), (78, 280447), (107, 204438), (214, 102219), (321, 68146), (642, 34073), (1391, 15726), (2621, 8346), (2782, 7863), (4173, 5242)]