21000453607

素因数分解:

$7^1\times {\mathrm{157}}^1\times {\mathrm{2647}}^1\times {\mathrm{7219}}^1$

素因数の和:10030

約数の個数: 16

約数和(自身を含む): 24165859840

約数和(自身を除く): 3165406233

約数列:

[1, 7, 157, 1099, 2647, 7219, 18529, 50533, 415579, 1133383, 2909053, 7933681, 19108693, 133760851, 3000064801, 21000453607]

約数ペア:

[(1, 21000453607), (7, 3000064801), (157, 133760851), (1099, 19108693), (2647, 7933681), (7219, 2909053), (18529, 1133383), (50533, 415579)]