2021381887

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{1831}}^1\times {\mathrm{6857}}^1$

素因数の和:8718

約数の個数: 16

約数和(自身を含む): 2412260352

約数和(自身を除く): 390878465

約数列:

[1, 7, 23, 161, 1831, 6857, 12817, 42113, 47999, 157711, 294791, 1103977, 12555167, 87886169, 288768841, 2021381887]

約数ペア:

[(1, 2021381887), (7, 288768841), (23, 87886169), (161, 12555167), (1831, 1103977), (6857, 294791), (12817, 157711), (42113, 47999)]