21000608691

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1\times {\mathrm{21401}}^1$

素因数の和:21763

約数の個数: 32

約数和(自身を含む): 30177847296

約数和(自身を除く): 9177238605

約数列:

[1, 3, 17, 51, 71, 213, 271, 813, 1207, 3621, 4607, 13821, 19241, 21401, 57723, 64203, 327097, 363817, 981291, 1091451, 1519471, 4558413, 5799671, 17399013, 25831007, 77493021, 98594407, 295783221, 411776641, 1235329923, 7000202897, 21000608691]

約数ペア:

[(1, 21000608691), (3, 7000202897), (17, 1235329923), (51, 411776641), (71, 295783221), (213, 98594407), (271, 77493021), (813, 25831007), (1207, 17399013), (3621, 5799671), (4607, 4558413), (13821, 1519471), (19241, 1091451), (21401, 981291), (57723, 363817), (64203, 327097)]