21910401

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{3463}}^1$

素因数の和:3525

約数の個数: 24

約数和(自身を含む): 34224320

約数和(自身を除く): 12313919

約数列:

[1, 3, 9, 19, 37, 57, 111, 171, 333, 703, 2109, 3463, 6327, 10389, 31167, 65797, 128131, 197391, 384393, 592173, 1153179, 2434489, 7303467, 21910401]

約数ペア:

[(1, 21910401), (3, 7303467), (9, 2434489), (19, 1153179), (37, 592173), (57, 384393), (111, 197391), (171, 128131), (333, 65797), (703, 31167), (2109, 10389), (3463, 6327)]