21999964

素因数分解:

$2^2\times 7^1\times {\mathrm{431}}^1\times {\mathrm{1823}}^1$

素因数の和:2265

約数の個数: 24

約数和(自身を含む): 44126208

約数和(自身を除く): 22126244

約数列:

[1, 2, 4, 7, 14, 28, 431, 862, 1724, 1823, 3017, 3646, 6034, 7292, 12068, 12761, 25522, 51044, 785713, 1571426, 3142852, 5499991, 10999982, 21999964]

約数ペア:

[(1, 21999964), (2, 10999982), (4, 5499991), (7, 3142852), (14, 1571426), (28, 785713), (431, 51044), (862, 25522), (1724, 12761), (1823, 12068), (3017, 7292), (3646, 6034)]