21903189

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{94819}}^1$

素因数の和:94840

約数の個数: 16

約数和(自身を含む): 36410880

約数和(自身を除く): 14507691

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 94819, 284457, 663733, 1043009, 1991199, 3129027, 7301063, 21903189]

約数ペア:

[(1, 21903189), (3, 7301063), (7, 3129027), (11, 1991199), (21, 1043009), (33, 663733), (77, 284457), (231, 94819)]