21040935

素因数分解:

$3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{15761}}^1$

素因数の和:15858

約数の個数: 16

約数和(自身を含む): 34045920

約数和(自身を除く): 13004985

約数列:

[1, 3, 5, 15, 89, 267, 445, 1335, 15761, 47283, 78805, 236415, 1402729, 4208187, 7013645, 21040935]

約数ペア:

[(1, 21040935), (3, 7013645), (5, 4208187), (15, 1402729), (89, 236415), (267, 78805), (445, 47283), (1335, 15761)]