21378636

素因数分解:

$2^2\times 3^2\times {\mathrm{593851}}^1$

素因数の和:593861

約数の個数: 18

約数和(自身を含む): 54040532

約数和(自身を除く): 32661896

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 593851, 1187702, 1781553, 2375404, 3563106, 5344659, 7126212, 10689318, 21378636]

約数ペア:

[(1, 21378636), (2, 10689318), (3, 7126212), (4, 5344659), (6, 3563106), (9, 2375404), (12, 1781553), (18, 1187702), (36, 593851)]