221693388

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{2639207}}^1$

素因数の和:2639221

約数の個数: 24

約数和(自身を含む): 591182592

約数和(自身を除く): 369489204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 2639207, 5278414, 7917621, 10556828, 15835242, 18474449, 31670484, 36948898, 55423347, 73897796, 110846694, 221693388]

約数ペア:

[(1, 221693388), (2, 110846694), (3, 73897796), (4, 55423347), (6, 36948898), (7, 31670484), (12, 18474449), (14, 15835242), (21, 10556828), (28, 7917621), (42, 5278414), (84, 2639207)]