21080484

素因数分解:

$2^2\times 3^2\times {\mathrm{585569}}^1$

素因数の和:585579

約数の個数: 18

約数和(自身を含む): 53286870

約数和(自身を除く): 32206386

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 585569, 1171138, 1756707, 2342276, 3513414, 5270121, 7026828, 10540242, 21080484]

約数ペア:

[(1, 21080484), (2, 10540242), (3, 7026828), (4, 5270121), (6, 3513414), (9, 2342276), (12, 1756707), (18, 1171138), (36, 585569)]