21999908

素因数分解:

$2^2\times 7^1\times {\mathrm{463}}^1\times {\mathrm{1697}}^1$

素因数の和:2171

約数の個数: 24

約数和(自身を含む): 44120832

約数和(自身を除く): 22120924

約数列:

[1, 2, 4, 7, 14, 28, 463, 926, 1697, 1852, 3241, 3394, 6482, 6788, 11879, 12964, 23758, 47516, 785711, 1571422, 3142844, 5499977, 10999954, 21999908]

約数ペア:

[(1, 21999908), (2, 10999954), (4, 5499977), (7, 3142844), (14, 1571422), (28, 785711), (463, 47516), (926, 23758), (1697, 12964), (1852, 11879), (3241, 6788), (3394, 6482)]