21945204

素因数分解:

$2^2\times 3^2\times {\mathrm{609589}}^1$

素因数の和:609599

約数の個数: 18

約数和(自身を含む): 55472690

約数和(自身を除く): 33527486

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 609589, 1219178, 1828767, 2438356, 3657534, 5486301, 7315068, 10972602, 21945204]

約数ペア:

[(1, 21945204), (2, 10972602), (3, 7315068), (4, 5486301), (6, 3657534), (9, 2438356), (12, 1828767), (18, 1219178), (36, 609589)]