21467580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{357793}}^1$

素因数の和:357805

約数の個数: 24

約数和(自身を含む): 60109392

約数和(自身を除く): 38641812

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 357793, 715586, 1073379, 1431172, 1788965, 2146758, 3577930, 4293516, 5366895, 7155860, 10733790, 21467580]

約数ペア:

[(1, 21467580), (2, 10733790), (3, 7155860), (4, 5366895), (5, 4293516), (6, 3577930), (10, 2146758), (12, 1788965), (15, 1431172), (20, 1073379), (30, 715586), (60, 357793)]