21053766

素因数分解:

$2^1\times 3^1\times {\mathrm{827}}^1\times {\mathrm{4243}}^1$

素因数の和:5075

約数の個数: 16

約数和(自身を含む): 42168384

約数和(自身を除く): 21114618

約数列:

[1, 2, 3, 6, 827, 1654, 2481, 4243, 4962, 8486, 12729, 25458, 3508961, 7017922, 10526883, 21053766]

約数ペア:

[(1, 21053766), (2, 10526883), (3, 7017922), (6, 3508961), (827, 25458), (1654, 12729), (2481, 8486), (4243, 4962)]