21536728

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{141689}}^1$

素因数の和:141714

約数の個数: 16

約数和(自身を含む): 42507000

約数和(自身を除く): 20970272

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 141689, 283378, 566756, 1133512, 2692091, 5384182, 10768364, 21536728]

約数ペア:

[(1, 21536728), (2, 10768364), (4, 5384182), (8, 2692091), (19, 1133512), (38, 566756), (76, 283378), (152, 141689)]