21249036

素因数分解:

$2^2\times 3^2\times {\mathrm{590251}}^1$

素因数の和:590261

約数の個数: 18

約数和(自身を含む): 53712932

約数和(自身を除く): 32463896

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 590251, 1180502, 1770753, 2361004, 3541506, 5312259, 7083012, 10624518, 21249036]

約数ペア:

[(1, 21249036), (2, 10624518), (3, 7083012), (4, 5312259), (6, 3541506), (9, 2361004), (12, 1770753), (18, 1180502), (36, 590251)]