21865284

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{86767}}^1$

素因数の和:86784

約数の個数: 36

約数和(自身を含む): 63167104

約数和(自身を除く): 41301820

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 86767, 173534, 260301, 347068, 520602, 607369, 780903, 1041204, 1214738, 1561806, 1822107, 2429476, 3123612, 3644214, 5466321, 7288428, 10932642, 21865284]

約数ペア:

[(1, 21865284), (2, 10932642), (3, 7288428), (4, 5466321), (6, 3644214), (7, 3123612), (9, 2429476), (12, 1822107), (14, 1561806), (18, 1214738), (21, 1041204), (28, 780903), (36, 607369), (42, 520602), (63, 347068), (84, 260301), (126, 173534), (252, 86767)]