21079905208

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{673}}^1\times {\mathrm{230311}}^1$

素因数の和:231007

約数の個数: 32

約数和(自身を含む): 41912177760

約数和(自身を除く): 20832272552

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 673, 1346, 2692, 5384, 11441, 22882, 45764, 91528, 230311, 460622, 921244, 1842488, 3915287, 7830574, 15661148, 31322296, 154999303, 309998606, 619997212, 1239994424, 2634988151, 5269976302, 10539952604, 21079905208]

約数ペア:

[(1, 21079905208), (2, 10539952604), (4, 5269976302), (8, 2634988151), (17, 1239994424), (34, 619997212), (68, 309998606), (136, 154999303), (673, 31322296), (1346, 15661148), (2692, 7830574), (5384, 3915287), (11441, 1842488), (22882, 921244), (45764, 460622), (91528, 230311)]