21788386461

素因数分解:

$3^2\times {\mathrm{631}}^1\times {\mathrm{1361}}^1\times {\mathrm{2819}}^1$

素因数の和:4817

約数の個数: 24

約数和(自身を含む): 31556341440

約数和(自身を除く): 9767954979

約数列:

[1, 3, 9, 631, 1361, 1893, 2819, 4083, 5679, 8457, 12249, 25371, 858791, 1778789, 2576373, 3836659, 5336367, 7729119, 11509977, 16009101, 34529931, 2420931829, 7262795487, 21788386461]

約数ペア:

[(1, 21788386461), (3, 7262795487), (9, 2420931829), (631, 34529931), (1361, 16009101), (1893, 11509977), (2819, 7729119), (4083, 5336367), (5679, 3836659), (8457, 2576373), (12249, 1778789), (25371, 858791)]