21096426

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{881}}^1$

素因数の和:1206

約数の個数: 32

約数和(自身を含む): 45638208

約数和(自身を除く): 24541782

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 307, 614, 881, 921, 1762, 1842, 2643, 3991, 5286, 7982, 11453, 11973, 22906, 23946, 34359, 68718, 270467, 540934, 811401, 1622802, 3516071, 7032142, 10548213, 21096426]

約数ペア:

[(1, 21096426), (2, 10548213), (3, 7032142), (6, 3516071), (13, 1622802), (26, 811401), (39, 540934), (78, 270467), (307, 68718), (614, 34359), (881, 23946), (921, 22906), (1762, 11973), (1842, 11453), (2643, 7982), (3991, 5286)]