21678392

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{1123}}^1$

素因数の和:1275

約数の個数: 32

約数和(自身を含む): 43161600

約数和(自身を除く): 21483208

約数列:

[1, 2, 4, 8, 19, 38, 76, 127, 152, 254, 508, 1016, 1123, 2246, 2413, 4492, 4826, 8984, 9652, 19304, 21337, 42674, 85348, 142621, 170696, 285242, 570484, 1140968, 2709799, 5419598, 10839196, 21678392]

約数ペア:

[(1, 21678392), (2, 10839196), (4, 5419598), (8, 2709799), (19, 1140968), (38, 570484), (76, 285242), (127, 170696), (152, 142621), (254, 85348), (508, 42674), (1016, 21337), (1123, 19304), (2246, 9652), (2413, 8984), (4492, 4826)]