21589484

素因数分解:

$2^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{7949}}^1$

素因数の和:8057

約数の個数: 24

約数和(自身を含む): 43629600

約数和(自身を除く): 22040116

約数列:

[1, 2, 4, 7, 14, 28, 97, 194, 388, 679, 1358, 2716, 7949, 15898, 31796, 55643, 111286, 222572, 771053, 1542106, 3084212, 5397371, 10794742, 21589484]

約数ペア:

[(1, 21589484), (2, 10794742), (4, 5397371), (7, 3084212), (14, 1542106), (28, 771053), (97, 222572), (194, 111286), (388, 55643), (679, 31796), (1358, 15898), (2716, 7949)]