21284986

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{15269}}^1$

素因数の和:15329

約数の個数: 16

約数和(自身を含む): 34632360

約数和(自身を除く): 13347374

約数列:

[1, 2, 17, 34, 41, 82, 697, 1394, 15269, 30538, 259573, 519146, 626029, 1252058, 10642493, 21284986]

約数ペア:

[(1, 21284986), (2, 10642493), (17, 1252058), (34, 626029), (41, 519146), (82, 259573), (697, 30538), (1394, 15269)]