21271538

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{1741}}^1$

素因数の和:1933

約数の個数: 16

約数和(自身を含む): 32923800

約数和(自身を除く): 11652262

約数列:

[1, 2, 41, 82, 149, 298, 1741, 3482, 6109, 12218, 71381, 142762, 259409, 518818, 10635769, 21271538]

約数ペア:

[(1, 21271538), (2, 10635769), (41, 518818), (82, 259409), (149, 142762), (298, 71381), (1741, 12218), (3482, 6109)]