2181036016

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{1349651}}^1$

素因数の和:1349760

約数の個数: 20

約数和(自身を含む): 4267599624

約数和(自身を除く): 2086563608

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 1349651, 2699302, 5398604, 10797208, 21594416, 136314751, 272629502, 545259004, 1090518008, 2181036016]

約数ペア:

[(1, 2181036016), (2, 1090518008), (4, 545259004), (8, 272629502), (16, 136314751), (101, 21594416), (202, 10797208), (404, 5398604), (808, 2699302), (1616, 1349651)]