21969844

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{1033}}^1$

素因数の和:1459

約数の個数: 24

約数和(自身を含む): 41546120

約数和(自身を除く): 19576276

約数列:

[1, 2, 4, 13, 26, 52, 409, 818, 1033, 1636, 2066, 4132, 5317, 10634, 13429, 21268, 26858, 53716, 422497, 844994, 1689988, 5492461, 10984922, 21969844]

約数ペア:

[(1, 21969844), (2, 10984922), (4, 5492461), (13, 1689988), (26, 844994), (52, 422497), (409, 53716), (818, 26858), (1033, 21268), (1636, 13429), (2066, 10634), (4132, 5317)]