21096388

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{1559}}^1$

素因数の和:1779

約数の個数: 24

約数和(自身を含む): 39312000

約数和(自身を除く): 18215612

約数列:

[1, 2, 4, 17, 34, 68, 199, 398, 796, 1559, 3118, 3383, 6236, 6766, 13532, 26503, 53006, 106012, 310241, 620482, 1240964, 5274097, 10548194, 21096388]

約数ペア:

[(1, 21096388), (2, 10548194), (4, 5274097), (17, 1240964), (34, 620482), (68, 310241), (199, 106012), (398, 53006), (796, 26503), (1559, 13532), (3118, 6766), (3383, 6236)]