21789804927

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{283511}}^1$

素因数の和:283679

約数の個数: 32

約数和(自身を含む): 33803702784

約数和(自身を除く): 12013897857

約数列:

[1, 3, 11, 17, 33, 51, 137, 187, 411, 561, 1507, 2329, 4521, 6987, 25619, 76857, 283511, 850533, 3118621, 4819687, 9355863, 14459061, 38841007, 53016557, 116523021, 159049671, 427251077, 660297119, 1281753231, 1980891357, 7263268309, 21789804927]

約数ペア:

[(1, 21789804927), (3, 7263268309), (11, 1980891357), (17, 1281753231), (33, 660297119), (51, 427251077), (137, 159049671), (187, 116523021), (411, 53016557), (561, 38841007), (1507, 14459061), (2329, 9355863), (4521, 4819687), (6987, 3118621), (25619, 850533), (76857, 283511)]