21000608644

素因数分解:

$2^2\times {\mathrm{179}}^1\times {\mathrm{2347}}^1\times {\mathrm{12497}}^1$

素因数の和:15027

約数の個数: 24

約数和(自身を含む): 36975083040

約数和(自身を除く): 15974474396

約数列:

[1, 2, 4, 179, 358, 716, 2347, 4694, 9388, 12497, 24994, 49988, 420113, 840226, 1680452, 2236963, 4473926, 8947852, 29330459, 58660918, 117321836, 5250152161, 10500304322, 21000608644]

約数ペア:

[(1, 21000608644), (2, 10500304322), (4, 5250152161), (179, 117321836), (358, 58660918), (716, 29330459), (2347, 8947852), (4694, 4473926), (9388, 2236963), (12497, 1680452), (24994, 840226), (49988, 420113)]