21080169761

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{1279}}^1\times {\mathrm{123923}}^1$

素因数の和:125228

約数の個数: 16

約数和(自身を含む): 25379635200

約数和(自身を除く): 4299465439

約数列:

[1, 7, 19, 133, 1279, 8953, 24301, 123923, 170107, 867461, 2354537, 16481759, 158497517, 1109482619, 3011452823, 21080169761]

約数ペア:

[(1, 21080169761), (7, 3011452823), (19, 1109482619), (133, 158497517), (1279, 16481759), (8953, 2354537), (24301, 867461), (123923, 170107)]