21909972

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{2689}}^1$

素因数の和:2800

約数の個数: 48

約数和(自身を含む): 59050880

約数和(自身を除く): 37140908

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 97, 194, 291, 388, 582, 679, 1164, 1358, 2037, 2689, 2716, 4074, 5378, 8067, 8148, 10756, 16134, 18823, 32268, 37646, 56469, 75292, 112938, 225876, 260833, 521666, 782499, 1043332, 1564998, 1825831, 3129996, 3651662, 5477493, 7303324, 10954986, 21909972]

約数ペア:

[(1, 21909972), (2, 10954986), (3, 7303324), (4, 5477493), (6, 3651662), (7, 3129996), (12, 1825831), (14, 1564998), (21, 1043332), (28, 782499), (42, 521666), (84, 260833), (97, 225876), (194, 112938), (291, 75292), (388, 56469), (582, 37646), (679, 32268), (1164, 18823), (1358, 16134), (2037, 10756), (2689, 8148), (2716, 8067), (4074, 5378)]