21379852802

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3347}}^1\times {\mathrm{41479}}^1$

素因数の和:44846

約数の個数: 32

約数和(自身を含む): 39996011520

約数和(自身を除く): 18616158718

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 3347, 6694, 23429, 36817, 41479, 46858, 73634, 82958, 257719, 290353, 456269, 515438, 580706, 912538, 3193883, 6387766, 138830213, 277660426, 971811491, 1527132343, 1943622982, 3054264686, 10689926401, 21379852802]

約数ペア:

[(1, 21379852802), (2, 10689926401), (7, 3054264686), (11, 1943622982), (14, 1527132343), (22, 971811491), (77, 277660426), (154, 138830213), (3347, 6387766), (6694, 3193883), (23429, 912538), (36817, 580706), (41479, 515438), (46858, 456269), (73634, 290353), (82958, 257719)]