21067394

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{233}}^1\times {\mathrm{853}}^1$

素因数の和:1141

約数の個数: 16

約数和(自身を含む): 32373432

約数和(自身を除く): 11306038

約数列:

[1, 2, 53, 106, 233, 466, 853, 1706, 12349, 24698, 45209, 90418, 198749, 397498, 10533697, 21067394]

約数ペア:

[(1, 21067394), (2, 10533697), (53, 397498), (106, 198749), (233, 90418), (466, 45209), (853, 24698), (1706, 12349)]