21293699

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{6961}}^1$

素因数の和:7010

約数の個数: 16

約数和(自身を含む): 26734080

約数和(自身を除く): 5440381

約数列:

[1, 7, 19, 23, 133, 161, 437, 3059, 6961, 48727, 132259, 160103, 925813, 1120721, 3041957, 21293699]

約数ペア:

[(1, 21293699), (7, 3041957), (19, 1120721), (23, 925813), (133, 160103), (161, 132259), (437, 48727), (3059, 6961)]