21830956

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{311}}^1$

素因数の和:454

約数の個数: 48

約数和(自身を含む): 46126080

約数和(自身を除く): 24295124

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 109, 161, 218, 311, 322, 436, 622, 644, 763, 1244, 1526, 2177, 2507, 3052, 4354, 5014, 7153, 8708, 10028, 14306, 17549, 28612, 33899, 35098, 50071, 67798, 70196, 100142, 135596, 200284, 237293, 474586, 779677, 949172, 1559354, 3118708, 5457739, 10915478, 21830956]

約数ペア:

[(1, 21830956), (2, 10915478), (4, 5457739), (7, 3118708), (14, 1559354), (23, 949172), (28, 779677), (46, 474586), (92, 237293), (109, 200284), (161, 135596), (218, 100142), (311, 70196), (322, 67798), (436, 50071), (622, 35098), (644, 33899), (763, 28612), (1244, 17549), (1526, 14306), (2177, 10028), (2507, 8708), (3052, 7153), (4354, 5014)]