21008702021

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{425441}}^1$

素因数の和:425596

約数の個数: 16

約数和(自身を含む): 23280186240

約数和(自身を除く): 2271484219

約数列:

[1, 19, 23, 113, 437, 2147, 2599, 49381, 425441, 8083379, 9785143, 48074833, 185917717, 913421827, 1105721159, 21008702021]

約数ペア:

[(1, 21008702021), (19, 1105721159), (23, 913421827), (113, 185917717), (437, 48074833), (2147, 9785143), (2599, 8083379), (49381, 425441)]