21547242

素因数分解:

$2^1\times 3^3\times {\mathrm{399023}}^1$

素因数の和:399034

約数の個数: 16

約数和(自身を含む): 47882880

約数和(自身を除く): 26335638

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 399023, 798046, 1197069, 2394138, 3591207, 7182414, 10773621, 21547242]

約数ペア:

[(1, 21547242), (2, 10773621), (3, 7182414), (6, 3591207), (9, 2394138), (18, 1197069), (27, 798046), (54, 399023)]