2154376444

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{4451191}}^1$

素因数の和:4451217

約数の個数: 18

約数和(自身を含む): 4144059752

約数和(自身を除く): 1989683308

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 4451191, 8902382, 17804764, 48963101, 97926202, 195852404, 538594111, 1077188222, 2154376444]

約数ペア:

[(1, 2154376444), (2, 1077188222), (4, 538594111), (11, 195852404), (22, 97926202), (44, 48963101), (121, 17804764), (242, 8902382), (484, 4451191)]