21647448

素因数分解:

$2^3\times 3^2\times {\mathrm{47}}^1\times {\mathrm{6397}}^1$

素因数の和:6456

約数の個数: 48

約数和(自身を含む): 59885280

約数和(自身を除く): 38237832

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 47, 72, 94, 141, 188, 282, 376, 423, 564, 846, 1128, 1692, 3384, 6397, 12794, 19191, 25588, 38382, 51176, 57573, 76764, 115146, 153528, 230292, 300659, 460584, 601318, 901977, 1202636, 1803954, 2405272, 2705931, 3607908, 5411862, 7215816, 10823724, 21647448]

約数ペア:

[(1, 21647448), (2, 10823724), (3, 7215816), (4, 5411862), (6, 3607908), (8, 2705931), (9, 2405272), (12, 1803954), (18, 1202636), (24, 901977), (36, 601318), (47, 460584), (72, 300659), (94, 230292), (141, 153528), (188, 115146), (282, 76764), (376, 57573), (423, 51176), (564, 38382), (846, 25588), (1128, 19191), (1692, 12794), (3384, 6397)]