21486806538

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{362867}}^1$

素因数の和:363082

約数の個数: 32

約数和(自身を含む): 43892513280

約数和(自身を除く): 22405706742

約数列:

[1, 2, 3, 6, 71, 139, 142, 213, 278, 417, 426, 834, 9869, 19738, 29607, 59214, 362867, 725734, 1088601, 2177202, 25763557, 50438513, 51527114, 77290671, 100877026, 151315539, 154581342, 302631078, 3581134423, 7162268846, 10743403269, 21486806538]

約数ペア:

[(1, 21486806538), (2, 10743403269), (3, 7162268846), (6, 3581134423), (71, 302631078), (139, 154581342), (142, 151315539), (213, 100877026), (278, 77290671), (417, 51527114), (426, 50438513), (834, 25763557), (9869, 2177202), (19738, 1088601), (29607, 725734), (59214, 362867)]