21031810068

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{317}}^1\times {\mathrm{290993}}^1$

素因数の和:291336

約数の個数: 48

約数和(自身を含む): 51820211520

約数和(自身を除く): 30788401452

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228, 317, 634, 951, 1268, 1902, 3804, 6023, 12046, 18069, 24092, 36138, 72276, 290993, 581986, 872979, 1163972, 1745958, 3491916, 5528867, 11057734, 16586601, 22115468, 33173202, 66346404, 92244781, 184489562, 276734343, 368979124, 553468686, 1106937372, 1752650839, 3505301678, 5257952517, 7010603356, 10515905034, 21031810068]

約数ペア:

[(1, 21031810068), (2, 10515905034), (3, 7010603356), (4, 5257952517), (6, 3505301678), (12, 1752650839), (19, 1106937372), (38, 553468686), (57, 368979124), (76, 276734343), (114, 184489562), (228, 92244781), (317, 66346404), (634, 33173202), (951, 22115468), (1268, 16586601), (1902, 11057734), (3804, 5528867), (6023, 3491916), (12046, 1745958), (18069, 1163972), (24092, 872979), (36138, 581986), (72276, 290993)]