21083427743

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{463}}^1\times {\mathrm{2269}}^1$

素因数の和:2847

約数の個数: 32

約数和(自身を含む): 25076490240

約数和(自身を除く): 3993062497

約数列:

[1, 7, 47, 61, 329, 427, 463, 2269, 2867, 3241, 15883, 20069, 21761, 28243, 106643, 138409, 152327, 197701, 746501, 968863, 1050547, 1327421, 6505223, 7353829, 9291947, 45536561, 49375709, 64083367, 345629963, 448583569, 3011918249, 21083427743]

約数ペア:

[(1, 21083427743), (7, 3011918249), (47, 448583569), (61, 345629963), (329, 64083367), (427, 49375709), (463, 45536561), (2269, 9291947), (2867, 7353829), (3241, 6505223), (15883, 1327421), (20069, 1050547), (21761, 968863), (28243, 746501), (106643, 197701), (138409, 152327)]