21326032

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{151}}^1$

素因数の和:276

約数の個数: 80

約数和(自身を含む): 51718912

約数和(自身を除く): 30392880

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 97, 104, 112, 151, 182, 194, 208, 302, 364, 388, 604, 679, 728, 776, 1057, 1208, 1261, 1358, 1456, 1552, 1963, 2114, 2416, 2522, 2716, 3926, 4228, 5044, 5432, 7852, 8456, 8827, 10088, 10864, 13741, 14647, 15704, 16912, 17654, 20176, 27482, 29294, 31408, 35308, 54964, 58588, 70616, 102529, 109928, 117176, 141232, 190411, 205058, 219856, 234352, 380822, 410116, 761644, 820232, 1332877, 1523288, 1640464, 2665754, 3046576, 5331508, 10663016, 21326032]

約数ペア:

[(1, 21326032), (2, 10663016), (4, 5331508), (7, 3046576), (8, 2665754), (13, 1640464), (14, 1523288), (16, 1332877), (26, 820232), (28, 761644), (52, 410116), (56, 380822), (91, 234352), (97, 219856), (104, 205058), (112, 190411), (151, 141232), (182, 117176), (194, 109928), (208, 102529), (302, 70616), (364, 58588), (388, 54964), (604, 35308), (679, 31408), (728, 29294), (776, 27482), (1057, 20176), (1208, 17654), (1261, 16912), (1358, 15704), (1456, 14647), (1552, 13741), (1963, 10864), (2114, 10088), (2416, 8827), (2522, 8456), (2716, 7852), (3926, 5432), (4228, 5044)]