21484136

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{503}}^1$

素因数の和:809

約数の個数: 32

約数和(自身を含む): 42638400

約数和(自身を除く): 21154264

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 281, 503, 562, 1006, 1124, 2012, 2248, 4024, 5339, 9557, 10678, 19114, 21356, 38228, 42712, 76456, 141343, 282686, 565372, 1130744, 2685517, 5371034, 10742068, 21484136]

約数ペア:

[(1, 21484136), (2, 10742068), (4, 5371034), (8, 2685517), (19, 1130744), (38, 565372), (76, 282686), (152, 141343), (281, 76456), (503, 42712), (562, 38228), (1006, 21356), (1124, 19114), (2012, 10678), (2248, 9557), (4024, 5339)]