21253095

素因数分解:

$3^2\times 5^1\times {\mathrm{233}}^1\times {\mathrm{2027}}^1$

素因数の和:2271

約数の個数: 24

約数和(自身を含む): 37015056

約数和(自身を除く): 15761961

約数列:

[1, 3, 5, 9, 15, 45, 233, 699, 1165, 2027, 2097, 3495, 6081, 10135, 10485, 18243, 30405, 91215, 472291, 1416873, 2361455, 4250619, 7084365, 21253095]

約数ペア:

[(1, 21253095), (3, 7084365), (5, 4250619), (9, 2361455), (15, 1416873), (45, 472291), (233, 91215), (699, 30405), (1165, 18243), (2027, 10485), (2097, 10135), (3495, 6081)]