21746431

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{7109}}^1$

素因数の和:7158

約数の個数: 16

約数和(自身を含む): 27302400

約数和(自身を除く): 5555969

約数列:

[1, 7, 19, 23, 133, 161, 437, 3059, 7109, 49763, 135071, 163507, 945497, 1144549, 3106633, 21746431]

約数ペア:

[(1, 21746431), (7, 3106633), (19, 1144549), (23, 945497), (133, 163507), (161, 135071), (437, 49763), (3059, 7109)]