21439096

素因数分解:

$2^3\times 7^1\times {\mathrm{311}}^1\times {\mathrm{1231}}^1$

素因数の和:1555

約数の個数: 32

約数和(自身を含む): 46126080

約数和(自身を除く): 24686984

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 311, 622, 1231, 1244, 2177, 2462, 2488, 4354, 4924, 8617, 8708, 9848, 17234, 17416, 34468, 68936, 382841, 765682, 1531364, 2679887, 3062728, 5359774, 10719548, 21439096]

約数ペア:

[(1, 21439096), (2, 10719548), (4, 5359774), (7, 3062728), (8, 2679887), (14, 1531364), (28, 765682), (56, 382841), (311, 68936), (622, 34468), (1231, 17416), (1244, 17234), (2177, 9848), (2462, 8708), (2488, 8617), (4354, 4924)]