16821352

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{409}}^1$

素因数の和:565

約数の個数: 32

約数和(自身を含む): 32545800

約数和(自身を除く): 15724448

約数列:

[1, 2, 4, 8, 53, 97, 106, 194, 212, 388, 409, 424, 776, 818, 1636, 3272, 5141, 10282, 20564, 21677, 39673, 41128, 43354, 79346, 86708, 158692, 173416, 317384, 2102669, 4205338, 8410676, 16821352]

約数ペア:

[(1, 16821352), (2, 8410676), (4, 4205338), (8, 2102669), (53, 317384), (97, 173416), (106, 158692), (194, 86708), (212, 79346), (388, 43354), (409, 41128), (424, 39673), (776, 21677), (818, 20564), (1636, 10282), (3272, 5141)]