21570484

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{1877}}^1$

素因数の和:1924

約数の個数: 36

約数和(自身を含む): 43302924

約数和(自身を除く): 21732440

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 169, 221, 338, 442, 676, 884, 1877, 2873, 3754, 5746, 7508, 11492, 24401, 31909, 48802, 63818, 97604, 127636, 317213, 414817, 634426, 829634, 1268852, 1659268, 5392621, 10785242, 21570484]

約数ペア:

[(1, 21570484), (2, 10785242), (4, 5392621), (13, 1659268), (17, 1268852), (26, 829634), (34, 634426), (52, 414817), (68, 317213), (169, 127636), (221, 97604), (338, 63818), (442, 48802), (676, 31909), (884, 24401), (1877, 11492), (2873, 7508), (3754, 5746)]