21789234

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{52631}}^1$

素因数の和:52662

約数の個数: 24

約数和(自身を含む): 49263552

約数和(自身を除く): 27474318

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 52631, 105262, 157893, 315786, 473679, 947358, 1210513, 2421026, 3631539, 7263078, 10894617, 21789234]

約数ペア:

[(1, 21789234), (2, 10894617), (3, 7263078), (6, 3631539), (9, 2421026), (18, 1210513), (23, 947358), (46, 473679), (69, 315786), (138, 157893), (207, 105262), (414, 52631)]