21042786

素因数分解:

$2^1\times 3^1\times {\mathrm{383}}^1\times {\mathrm{9157}}^1$

素因数の和:9545

約数の個数: 16

約数和(自身を含む): 42200064

約数和(自身を除く): 21157278

約数列:

[1, 2, 3, 6, 383, 766, 1149, 2298, 9157, 18314, 27471, 54942, 3507131, 7014262, 10521393, 21042786]

約数ペア:

[(1, 21042786), (2, 10521393), (3, 7014262), (6, 3507131), (383, 54942), (766, 27471), (1149, 18314), (2298, 9157)]