21200901119

素因数分解:

${\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{3623}}^1\times {\mathrm{4219}}^1$

素因数の和:7934

約数の個数: 16

約数和(自身を含む): 22634054400

約数和(自身を除く): 1433153281

約数列:

[1, 19, 73, 1387, 3623, 4219, 68837, 80161, 264479, 307987, 5025101, 5851753, 15285437, 290423303, 1115836901, 21200901119]

約数ペア:

[(1, 21200901119), (19, 1115836901), (73, 290423303), (1387, 15285437), (3623, 5851753), (4219, 5025101), (68837, 307987), (80161, 264479)]