21417642

素因数分解:

$2^1\times 3^3\times {\mathrm{396623}}^1$

素因数の和:396634

約数の個数: 16

約数和(自身を含む): 47594880

約数和(自身を除く): 26177238

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 396623, 793246, 1189869, 2379738, 3569607, 7139214, 10708821, 21417642]

約数ペア:

[(1, 21417642), (2, 10708821), (3, 7139214), (6, 3569607), (9, 2379738), (18, 1189869), (27, 793246), (54, 396623)]