21000658209

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{1873219}}^1$

素因数の和:1873360

約数の個数: 16

約数和(自身を含む): 29042402880

約数和(自身を除く): 8041744671

約数列:

[1, 3, 37, 101, 111, 303, 3737, 11211, 1873219, 5619657, 69309103, 189195119, 207927309, 567585357, 7000219403, 21000658209]

約数ペア:

[(1, 21000658209), (3, 7000219403), (37, 567585357), (101, 207927309), (111, 189195119), (303, 69309103), (3737, 5619657), (11211, 1873219)]