21000514854

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{3307}}^1\times {\mathrm{8747}}^1$

素因数の和:12081

約数の個数: 48

約数和(自身を含む): 46185660864

約数和(自身を除く): 25185146010

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 121, 242, 363, 726, 3307, 6614, 8747, 9921, 17494, 19842, 26241, 36377, 52482, 72754, 96217, 109131, 192434, 218262, 288651, 400147, 577302, 800294, 1058387, 1200441, 2116774, 2400882, 3175161, 6350322, 28926329, 57852658, 86778987, 173557974, 318189619, 636379238, 954568857, 1909137714, 3500085809, 7000171618, 10500257427, 21000514854]

約数ペア:

[(1, 21000514854), (2, 10500257427), (3, 7000171618), (6, 3500085809), (11, 1909137714), (22, 954568857), (33, 636379238), (66, 318189619), (121, 173557974), (242, 86778987), (363, 57852658), (726, 28926329), (3307, 6350322), (6614, 3175161), (8747, 2400882), (9921, 2116774), (17494, 1200441), (19842, 1058387), (26241, 800294), (36377, 577302), (52482, 400147), (72754, 288651), (96217, 218262), (109131, 192434)]