21305031

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{5923}}^1$

素因数の和:6046

約数の個数: 16

約数和(自身を含む): 31278720

約数和(自身を除く): 9973689

約数列:

[1, 3, 11, 33, 109, 327, 1199, 3597, 5923, 17769, 65153, 195459, 645607, 1936821, 7101677, 21305031]

約数ペア:

[(1, 21305031), (3, 7101677), (11, 1936821), (33, 645607), (109, 195459), (327, 65153), (1199, 17769), (3597, 5923)]