21341074

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{317}}^1\times {\mathrm{821}}^1$

素因数の和:1181

約数の個数: 16

約数和(自身を含む): 32935896

約数和(自身を除く): 11594822

約数列:

[1, 2, 41, 82, 317, 634, 821, 1642, 12997, 25994, 33661, 67322, 260257, 520514, 10670537, 21341074]

約数ペア:

[(1, 21341074), (2, 10670537), (41, 520514), (82, 260257), (317, 67322), (634, 33661), (821, 25994), (1642, 12997)]