2021517355

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{8863}}^1$

素因数の和:8932

約数の個数: 48

約数和(自身を含む): 2970858240

約数和(自身を除く): 949340885

約数列:

[1, 5, 11, 13, 29, 55, 65, 121, 143, 145, 319, 377, 605, 715, 1573, 1595, 1885, 3509, 4147, 7865, 8863, 17545, 20735, 44315, 45617, 97493, 115219, 228085, 257027, 487465, 576095, 1072423, 1267409, 1285135, 2827297, 3341351, 5362115, 6337045, 13941499, 14136485, 16706755, 31100267, 36754861, 69707495, 155501335, 183774305, 404303471, 2021517355]

約数ペア:

[(1, 2021517355), (5, 404303471), (11, 183774305), (13, 155501335), (29, 69707495), (55, 36754861), (65, 31100267), (121, 16706755), (143, 14136485), (145, 13941499), (319, 6337045), (377, 5362115), (605, 3341351), (715, 2827297), (1573, 1285135), (1595, 1267409), (1885, 1072423), (3509, 576095), (4147, 487465), (7865, 257027), (8863, 228085), (17545, 115219), (20735, 97493), (44315, 45617)]