21443476

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{283}}^1\times {\mathrm{997}}^1$

素因数の和:1303

約数の個数: 24

約数和(自身を含む): 39680480

約数和(自身を除く): 18237004

約数列:

[1, 2, 4, 19, 38, 76, 283, 566, 997, 1132, 1994, 3988, 5377, 10754, 18943, 21508, 37886, 75772, 282151, 564302, 1128604, 5360869, 10721738, 21443476]

約数ペア:

[(1, 21443476), (2, 10721738), (4, 5360869), (19, 1128604), (38, 564302), (76, 282151), (283, 75772), (566, 37886), (997, 21508), (1132, 18943), (1994, 10754), (3988, 5377)]