21366772

素因数分解:

$2^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{7867}}^1$

素因数の和:7975

約数の個数: 24

約数和(自身を含む): 43179584

約数和(自身を除く): 21812812

約数列:

[1, 2, 4, 7, 14, 28, 97, 194, 388, 679, 1358, 2716, 7867, 15734, 31468, 55069, 110138, 220276, 763099, 1526198, 3052396, 5341693, 10683386, 21366772]

約数ペア:

[(1, 21366772), (2, 10683386), (4, 5341693), (7, 3052396), (14, 1526198), (28, 763099), (97, 220276), (194, 110138), (388, 55069), (679, 31468), (1358, 15734), (2716, 7867)]