21738186

素因数分解:

$2^1\times 3^3\times {\mathrm{402559}}^1$

素因数の和:402570

約数の個数: 16

約数和(自身を含む): 48307200

約数和(自身を除く): 26569014

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 402559, 805118, 1207677, 2415354, 3623031, 7246062, 10869093, 21738186]

約数ペア:

[(1, 21738186), (2, 10869093), (3, 7246062), (6, 3623031), (9, 2415354), (18, 1207677), (27, 805118), (54, 402559)]