213407628

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{2540567}}^1$

素因数の和:2540581

約数の個数: 24

約数和(自身を含む): 569087232

約数和(自身を除く): 355679604

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 2540567, 5081134, 7621701, 10162268, 15243402, 17783969, 30486804, 35567938, 53351907, 71135876, 106703814, 213407628]

約数ペア:

[(1, 213407628), (2, 106703814), (3, 71135876), (4, 53351907), (6, 35567938), (7, 30486804), (12, 17783969), (14, 15243402), (21, 10162268), (28, 7621701), (42, 5081134), (84, 2540567)]